two long parallel wires are placed side by side on a horizontal table. the wires carry equal currents in the same direction. which of the following statements are true?check all that apply.two long parallel wires are placed side by side on a horizontal table. the wires carry equal currents in the same direction. which of the following statements are true?check all that apply.the magnetic force between the two wires is attractive.the magnetic field at a point midway between the two wires is zero.the magnetic field is a maximum at a point midway between the two wires.the magnetic force between the two wires is repulsive.request answer
Answers
The correct statements are:1. The magnetic force between the two wires is attractive. 2. The magnetic field at a point midway between the two wires is zero.
The magnetic force between the two wires is repulsive. This is because the currents in the wires are flowing in the same direction, which creates magnetic fields that interact with each other in a way that causes them to repel.
- The magnetic force between the two wires is attractive: This statement is false because, as mentioned above, the currents in the wires are flowing in the same direction, which causes them to repel each other.
- The magnetic field at a point midway between the two wires is zero: This statement is also false. The magnetic field at a point midway between the two wires is actually a maximum because the magnetic fields created by each wire add together constructively at this point.
- The magnetic field is a maximum at a point midway between the two wires: This statement is true, as explained above.
- The magnetic force between the two wires is repulsive: This statement is true, as explained above.
1. When two parallel wires carry equal currents in the same direction, their magnetic fields interact with each other in such a way that the magnetic force between the wires is attractive. This is due to the alignment of the magnetic fields produced by the currents, causing the fields to combine and pull the wires towards each other.
2. The magnetic field at a point midway between the two wires is zero because the magnetic fields produced by the two wires cancel each other out at this point. Since the wires are carrying equal currents in the same direction, the magnetic fields have equal magnitudes and opposite directions at the midpoint, thus their net effect is zero.
The other two statements are incorrect because:
- The magnetic field is not a maximum at a point midway between the two wires, as explained in statement 2.
- The magnetic force between the two wires is not repulsive, as explained in statement 1.
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Related Questions
Can some one help me whith the answer
Answers
→ The charge in electron charge Q(e) is equal to the charge in coulombs Q(C) times 6.24150975⋅1018:
1C = 6.24150975⋅10¹⁸e
Q(e) = Q(C) × 6.24150975 × 10¹⁸
Q(e) = 96,500 × 6.24150975 × 10¹⁸
Q(e) = 6.02305690875 × 10²³
which is round off to
→ 6.03 × 10²³ electrons
A 50 kg child is on a carnival ride with a radius of 5 meters. If the ride spins at a velocity of 5
m/s, what is the centripetal force on the child?
Answers
Explanation:
Find a force is F=mv^2/r, so F=50*5^2/5 = 250N
Jenna took an open bowl of leftover mashed potatoes from the refrigerator and noticed a difference in smell. She determined that chemical changes occurred since the potatoes were first placed there.
Which observations most likely led to Jenna’s conclusion?
a change of odor
a decrease in temperature
a change in moisture content
a decrease in mass
Answers
Answer:
A change of odor
Hope this helps! :)
An electron moving along the +x-axis enters a magnetic field. Ifthe electron experiences a magnetic deflection in the -y direction, what is the direction of the magnetic field in this region?A) along the +z-axisB) along the -z-axisC) along the -x-axisD) along the +y-axisE) along the -y-axis
Answers
The direction of the magnetic field in this region is along the -z-axis (option B).
To determine the direction of the magnetic field when an electron moving along the +x-axis experiences a magnetic deflection in the -y direction, we can use the right-hand rule.
1: Point your thumb in the direction of the electron's motion, which is along the +x-axis.
2: Point your index finger in the direction of the magnetic force experienced by the electron, which is in the -y direction.
3: Your middle finger will point in the direction of the magnetic field.
Following these steps, your middle finger will point along the -z-axis.
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Please need help with this if anyone can thanks
Answers
Answer: the time of impact is decreased (B)
Answer:
The time of impact is decreased
Explanation:
When a water balloon is thrown towards a person it bursts when an attempt is made to catch it because the material that the balloon is made of cannot withstand a large force. The water filled in the balloon exerts a large pressure on the surface. Due to this a small force is enough to break it. To catch a balloon that is moving, the momentum of the balloon has to be reduced to zero.
help with this question.....
Answers
Answer:
\(g_{moon}=1.67 [m/s^{2} ]\)
Explanation:
The weight of some mass is defined as the product of mass by gravitational acceleration. In this way using the following formula we can find the weight.
\(w =m*g\\\)
where:
w = weight [N]
m = mass = 0.06 [kg]
g = gravity acceleration = 10 [N/kg]
Therefore:
\(w=0.06*10\\w=0.6[N]\)
By Hooke's law we know that the force in a spring can be calculated by means of the following expression.
\(F=W\\F = k*x\)
where:
k = spring constant [N/m]
x = deformed distance = 6 [cm] = 0.06 [m]
We can find the spring constant.
\(k= F/x\\k=0.6/0.06\\k=10 [N/m]\)
Since we use the same spring on the moon and the same mass, the constant of the spring does not change, the same goes for the mass.
\(F_{moon}=k*0.01\\F = 10*0.01\\F=0.1[N]\)
Since this force is equal to the weight, we can now determine the gravitational acceleration.
\(F=m*g_{moon}\\g=F/m\\g = 0.1/0.06\\g_{moon} = 1.67[m/s^{2} ]\)
Which is true about an object in free fall?
A) It pulls on the Earth, and Earth pulls on it.
B) It has no inertia.
C) It’s acceleration depends on its mass.
D) It’s momentum is constant.
Answers
The truth about an object in free fall is option A which is It pulls on the Earth, and Earth pulls on it.
Object in free fall explanation.
An object in free fall is an object that is falling under the sole influence of gravity, without any other forces acting on it. In other words, it is an object that is not supported by any surface or other means of support, and is only subject to the force of gravity. Examples of objects in free fall include a ball dropped from a height, an apple falling from a tree, or a skydiver jumping out of a plane. In free fall, the only force acting on the object is the force of gravity, which causes the object to accelerate towards the ground at a constant rate, known as the acceleration due to gravity.
This is true because according to Newton's third law of motion, every action has an equal and opposite reaction. When an object falls freely due to gravity, it exerts a force on the Earth, and the Earth exerts an equal and opposite force on the object. This is why objects in free fall accelerate towards the Earth's surface
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does sand float on water
Answers
Answer:
A grain of sand will sink because sand is more dense than water. Therefore, the sand sinks. Students should realize that if an object weighs more than an equal volume of water, it is more dense and will sink, and if it weighs less than an equal volume of water, it is less dense and will float.
why does a person fall to the floor when he or she trips over a heavy box?
*Newton’s Laws*
Answers
Answer:
Friction (traction) is the resistance between things. There's friction between your shoes and the ground. Without enough friction, you can slip and fall.
When you push a heavy box, it pushes back at you with an equal and opposite force (Third Law) so that the harder the force of your action, the greater the force of reaction until you apply a force great enough to cause the box to begin sliding.
When a person trips over a heavy box and falls to the floor, it's due to a combination of factors related to the laws of physics. Here's what happens:
1. Inertia: Every object tends to remain at rest or in uniform motion unless acted upon by an external force. This is Newton's first law of motion. When you're walking and suddenly trip over a heavy box, your body's forward motion is abruptly interrupted by the box. Your lower body and legs might still have forward momentum, causing you to stumble or fall.
2. Force of Gravity:The heavy box you trip over exerts a force of gravity on your body. When you collide with the box, this force pulls you downward, accelerating your fall towards the ground.
3. Friction and Contact Forces: When you trip over the box, there are contact forces and frictional forces involved. Your foot might get caught on the box, and the friction between your foot and the surface of the box can cause your body to tilt forward. As a result, you lose your balance.
4. Center of Mass: Your body's center of mass is the point around which your weight is evenly distributed. When you trip and lose your balance, your center of mass might shift outside your base of support (your feet), causing you to tip over and fall.
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when a boxer is moving away from a punch, the force experienced is reduced because
Answers
By moving away from the punch, the boxer reduces the rate of change of momentum, and therefore the force experienced.
What is force?Force is a push or pull upon an object resulting from the object's interaction with another object. Mathematically, force is defined as the rate of change of momentum of an object, and it is represented by the symbol F. Forces can cause an object to accelerate or change its direction of motion, and they can be characterized by their magnitude, direction, and point of application. Forces can be described by a variety of physical laws and can be explained using the concepts of mass, acceleration, and Newton's laws of motion.
Here,
By moving away from the punch, the boxer reduces the rate of change of momentum, and therefore the force experienced. Additionally, spreading out the impact over a larger area of the body also helps to reduce the force experienced. This is why boxers try to move their head away from punches, and why gloves and other protective gear are used to cushion the impact and reduce the risk of injury.
The force is proportional to the rate of change of momentum.
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A researcher is studying the effects of
negative outcomes on the human brain in
a psychological experiment. The
researcher shows ten participants various pictures
and designs. When the participants see a red star,
they are immediately given a brief, painful shock
and their brainwaves are analyzed. A different
group of ten participants is given the same
pictures and designs but are given no shock when
they see the red star.
What was the control in the experiment?
A.The picture of the red star.
B.The group that is given no
shock.
C.The electrical shock.
D.The pictures and designs.
Answers
The control in the experiment is option B. The group that is given no shock.
What do experimental controls mean in terms of science?The method utilized by the researcher in scientific study to reduce the impact of unimportant factors is known as experimental control. The power of the independent variable to alter the dependent variable is further strengthened by experimental control. 9 Nov 2021
A controlled experiment is a scientific test carried out under predetermined circumstances in which only one (or a small number of) variables are altered at a time while all other variables are maintained constant.
Researchers use experimental controls to reduce the impact of unrelated experience and environmental factors, as well as to strengthen the conclusion that changes in the dependent variable are caused by the independent variable (the ability to infer causality).
Hence, option B is correct as it is not receiving any special treatment in the experiment.
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which statement best describes the position of the image of an object viewed in a plane mirror?
A). the image is a different distance from the mirror but on the same side of the mirror as the original object
B). the image is the same distance from the mirror and on the same side of the mirror as the original object
C). The image is a different distance from the mirror and on the other side of the mirror as the original object.
D). the image is the same distance from the mirror but on the other side of the mirror as the original object.
Answers
The statement D best describes the position of the image of an object viewed in a plane mirror, The image is the same distance from the mirror but on the other side of the mirror as the original object.
What is the image?When light beams from an object reflect off a mirror, they intersect with the picture of that thing, called an image. Real and virtual images are the two sorts of images.
The following parameters can be used to describe an image:
1. It is possible for an image to be real or virtual.
2. Left-right reversal is possible or not.
3. The image can be inverted or upright.
4. The image can be enlarged, shrunk, or made the same size as the object.
Plane mirrors provide virtual images that are upright, inverted left-right, the same distance from the mirror as the item, and the same size as the thing.
As a result, the best description of image production by a plane mirror is “a virtual picture is produced behind the mirror.”
The statement D best describes the position of the image of an object viewed in a plane mirror, The image is the same distance from the mirror but on the other side of the mirror as the original object.
Hence, option D is correct.
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compare and contrast the energy transfer of a roller coaster to that of a pendulum
Answers
When the pendulum and roller coaster move to the top, its has more potential energy whereas when comes to the bottom has more kinetic energy.
Compare and contrast the energy transfer of a roller coaster to that of a pendulum:What is the transfer of energy in a roller coaster?The transfer of potential energy to kinetic energy occur when the roller coaster move along the track. As the motor pulls the cars to the top, the body has more potential energy whereas when the body comes to the bottom , it has kinetic energy in the object.
What is the energy transfer in a pendulum?As a pendulum swings, its potential energy changes to kinetic energy and kinetic energy changes into potential energy. At the top more potential energy is present.
So we can conclude that When the pendulum and roller coaster move to the top, its has more potential energy whereas when comes to the bottom has more kinetic energy.
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It is possible for a fault to have a N-S strike and an East dip False True
Answers
True, it is possible for a fault to have a north-south (N-S) strike and an eastward dip.
Faults can have various orientations and dips depending on the tectonic forces and geological conditions in a particular region. The strike refers to the direction of the fault line on the Earth's surface, while the dip indicates the angle at which the fault plane is inclined from the horizontal. Therefore, a fault can have any combination of strike and dip, including an N-S strike and an eastward dip.
Faults are geological fractures where movement has occurred, and their orientations can vary. A fault with a north-south (N-S) strike means it extends in that direction horizontally. The dip refers to the angle of the fault plane from the horizontal. So, it is possible for a fault to have an N-S strike and an eastward dip.
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A pilot heads his jet due east. The jet has a speed of 475 mi/h relative to the air. The wind is blowing due north with a speed of 40 mi/h. (Assume that the i vector points east, and the j vector points northwhat is the true direction of the jet? (round your answer to one decimal place.)
Answers
The true direction of the jet is approximately 4.8 degrees north of east.
To determine the true direction of the jet, we need to calculate the resultant velocity vector. We can start by representing the velocity of the jet and the wind as vectors using the i and j components.
The velocity vector of the jet is 475i (since it is heading due east) and the velocity vector of the wind is 40j (since it is blowing due north).
To find the resultant vector, we can add these two vectors using vector addition.
Resultant velocity vector = 475i + 40j
To find the direction of this vector, we need to use trigonometry. We can calculate the angle that this vector makes with the east using the arctangent function.
Angle = arctan(40/475)
Angle ≈ 4.8 degrees north of east
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part a if the speed of the magnet is doubled, the induced voltage is ________ . view available hint(s)for part a twice as great four times as great half as great unchanged
Answers
If the speed of the magnet is doubled, the induced voltage will be four times as great.
According to Faraday's Law of Electromagnetic Induction, the magnitude of the induced voltage in a coil is directly proportional to the rate of change of magnetic flux through the coil. When the speed of the magnet is doubled, the rate of change of magnetic flux through the coil also doubles, resulting in a doubling of the induced voltage.
However, since the induced voltage is directly proportional to the rate of change of magnetic flux, a doubling of the speed of the magnet results in a fourfold increase in the rate of change of magnetic flux, which leads to a fourfold increase in the induced voltage. Therefore, if the speed of the magnet is doubled, the induced voltage will be four times as great. This effect is important in many applications, such as electrical generators, where the speed of the rotor is used to control the output voltage of the generator.
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A 5kg object is moving downward at a speed of 12m/s. If it is currently 2.6m above the ground, what is its kinetic energy?
Answers
Answer:
360J
Explanation:
In physics, the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. The same amount of work is done by the body when decelerating from its current speed to a state of rest.
how can changing the kinetic energy of an object cause energy to be transferred to or from the object
Answers
Kinetic Energy. Energy is transferred from one object to another when a reaction takes place. Energy comes in many forms and can be transferred from one object to another as heat, light, or motion, to name a few. For the blue ball to move to the position of the green ball, energy must be given to the blue ball.
A ball is thrown horizontally at a height of 1.6 metres above the ground, with initialspeed 14 m s^-1a)Find the time of flight of the ball, giving the answer as a fraction.b)Find the range of the ball.
Answers
Given:
The initial height of the ball, h=1.6 m
The initial speed of the ball, u=14 m/s
To find:
a) The time of flight of the ball.
b) The range of the ball.
Explanation:
As the ball is thrown horizontally, the ball will have no vertical component of the initial velocity. The velocity of the ball is completely horizontal.
Thus the vertical component of the initial velocity of the ball is u_y=0 m/s.
The horizontal component of the initial velocity of the ball is u_x=u=14 m/s.
a)
From the equation of motion,
\(h=u_yt+\frac{1}{2}gt^2\)Where g is the acceleration due to gravity and t is the time of flight of the ball.
On substituting the known values,
\(\begin{gathered} 1.6=0+\frac{1}{2}\times9.8\times t^2 \\ \implies t=\sqrt{\frac{2\times1.6}{9.8}} \\ =0.57\text{ s} \end{gathered}\)b)
The range of the ball is given by,
\(R=u_xt\)On substituting the known values,
\(\begin{gathered} R=14\times0.57 \\ =7.98\text{ m} \end{gathered}\)Final answer:
a) The time of flight of the ball is 0.57 s
b) The range of the ball is 7.98 m
if your mass on earth is 100.0 kg what is your mass on jupider, where the force of gravity is approximately 2.5 that of earth?
a. 100.0 kg
b. 2500 kg
c. 25 kg
d. 40 kg
Answers
Answer:
a. 100.0 kg
Explanation:
Given parameters:
Mass = 100kg
Force of gravity = 2.5m/s²
Unknown:
mass on Jupiter = ?
Solution:
The mass of a substance is the quantity of matter such body possess. Mass is the same.
So, the mass of earth and on Jupiter is the same.
Only the weight of the object will differ since weight is contingent on the force of gravity from places to places.
My mass on Jupiter will still be 100kg
WILL GIVE BRAINLIEST AND A THANKS TO FIRST CORRECT ANSWER!!!!
Which statements describe processes involved in the accretion of planetesimals and protoplanets? Check all that apply.
Both involve the melting of solid materials in the nebula.
Both involve the formation of solid particles from nebular materials.
Both involve the work of the gravitational push on nebular materials.
Both involve the trapping of gases and the clumping of masses of matter.
Both involve the growing of gas grains with the addition of atoms and molecules.
Answers
Answer:2 and 4th one
Explanation:
The pecific heat of a liquid X i 2. 09 cal/gC. A ample gram of thi liquid at 101 K i heated to 225K. The liquid aborb 5. 23 jack. What i the ample of liquid in gram?
Answers
The amount of sample of liquid in grams when its temperature is raised is calculated to be 20 g.
The term specific heat capacity refers to the amount of heat needed to raise a substance's temperature by one degree Celsius.
Q = m c Δt
Q = 5.23 kcal of heat are absorbed by fluids = 5230 cal
C = heat capacity of liquid = 2.09 cal/g °C
Initial temperature of the liquid T i = 101 K
Final temperature of the liquid T f = 225 K
Change in temperature, Δt = T f - T i = 225 - 101 K = 124 K
Putting in the values, we get:
5230 = m × 2.09 cal/g °C × 124 K
m = 20 g
The given question is incomplete. The complete question is 'The specific heat of a liquid x is 2.09 cal/g°c. A sample amount of grams of this liquid at 101 k is heated to 225 k. the liquid absorbs 5.23 k cals. what is the sample of liquid in grams? (round off decimal in the answer to nearest tenths)'
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Question 1 of 14 Which of the following statements describes a perfectly inelastic collision? O A. An ice hockey player picks up a trophy as he slides past it. O B. A baseball bat hits a baseball into the outfield. O C. A surfer falls off of his surfboard when a wave hits him. D. Two birds collide in midair and fly off in different directions.
Answers
Answer: A. An ice hockey player picks up a trophy as he slides past it
Explanation:
A PE X
The statement that best describes a perfectly inelastic collision is
C. A surfer falls off of his surfboard when a wave hits him.
What is collision?A collision is the interaction between two bodies in such a way that the momentum and velocity of one body gets changed due to the presence of other body. There are three types of collision-
1. Elastic collision
2. Inelastic collision
3. Perfectly inelastic collision.
In all types of collision , the momentum of the system before collision and after collision always remains same or we can say that momentum is conserved in collisions
What is elastic collisionAn elastic collision is the one in which kinetic energy is also conserved and coefficient of restitution is one. Both the bodies move separately with different velocities after elastic collision.
What is inelastic collision ?In inelastic collision there is a loss of kinetic energy and coefficient of restitution is less than one.
What is perfectly inelastic collision?In perfectly inelastic collision there is maximum loss of kinetic energy and coefficient of restitution is zero. Both the bodies stick together after collision and move with same velocity
What is coefficient of restitution ?Coefficient of restitution is the ratio of relative velocity of separation after collision to relative velocity of approach before collision.
A surfer falls of his surfboard when a wave hits him is an example of perfectly inelastic collision because in this when water hits the surfers he falls of and sticks to the water , and will also now move with the velocity of water .
So when the surfer falls off his surfboard when a wave hits him is perfectly inelastic collision.
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Two satellites are in circular orbits around Earth. Satellite A has speed vA. Satellite B has an orbital radius nine times that of satellite A. What is the speed of satellite B
Answers
Answer:
option B
Explanation:
given,
Satellite B has an orbital radius nine times that of satellite A.
R' = 9 R
now, orbital velocity of the satellite A
........(1)
now, orbital velocity of satellite B
from equation 1
hence, the correct answer is option B
What is the momntum of a football player that has a mass of 50 kg and
a velocity of 3m/s? *
Answers
Answer:
150 kg.m/sExplanation:
The momentum of an object can be found by using the formula
momentum = mass × velocity
From the question we have
momentum = 50 × 3 = 150
We have the final answer as
150 kg.m/sHope this helps you
A person with a mass of 75 kg is accelerated to 3m/s2 how much force applied to him
Answers
Answer:
225 NExplanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question we have
force = 75 × 3
We have the final answer as
225 NHope this helps you
F = ma
Given - m = 75 kg
a = 3 m/s^2
Solution -
F = ma
F = 75 x 3
F = 225 N
.:. The force applied on him is 225 N.
A candle lights a darkened room, emitting a wave of amplitude A. At a distance d, the intensity is I.
A second candle emits a wave of amplitude 2A. At what distance from this candle would you need to stand to measure an intensity I?
Answers
The distance from this candle that you would need to stand to measure an intensity I for the second candle light is 2d.
option 4 is the correct answer.
What is the intensity of light?Light intensity is a measurement of the amount of power either emitted or reflected by a source.
Mathematically, the formula for the intensity of light is given as;
The intensity of light is directly proportional to the square of its amplitude.
I ∝ A²/d²
where;
I is the intensity of lightA is the amplitude of the lightd is distance( I₁d₁² / A₁² ) = ( I₂d₂²/ A₂²)
where;
I₁ is the first intensity of light = I₂ second intensity = IA₁ is first amplitude = AA₂ is second amplitude = 2Ad₁ is first distance = d( d₁² / A₁² ) = (d₂²/ A₂²)
d₂² = ( A₂²)( d₁² / A₁² )
d₂² = ( 2A)²( d² / A² )
d₂² = 4A² (d² / A²)
d₂² = 4d²
d₂ = √ (4d²)
d₂ = 2d
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compare and contrast the excited state and the ground state of electrons. please use proper grammar and mechanics.
Answers
The primary distinction between a system's ground state and excited state is that a system's ground state is any state in which its electrons are at their lowest potential energy levels, whereas an excited state is any state in which they are at an energy higher than the system's ground state.
What do you mean by the excited state and the ground state of the electron?
Any quantum state of a system that has higher energy than the ground state is considered to be in an excited state in quantum mechanics. An increase in energy level over a predetermined starting point, typically the ground state, but occasionally an already excited state, is referred to as excitation.
A ground-state atom is one in which moving one or more electrons to different orbitals will not reduce the overall energy of the electrons in the atom. In other words, all of the electrons in a ground-state atom are at their lowest conceivable energy levels.
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A balloon’s internal pressure has increased, but the balloon has not changed in size. What must have happened to the external pressure for this to be true? Assume that elastic recoil is negligible. A balloon's internal pressure has increased, but the balloon has not changed in size. What must have happened to the external pressure for this to be true? Assume that elastic recoil is negligible. The outside pressure has increased the same amount as the inside pressure The outside pressure has increased more than the inside pressure. The outside pressure has remained the same The outside pressure has decreased.
Answers
The outside pressure has increased the same amount as the inside pressure.
When the internal pressure of a balloon increases but the balloon does not change in size, it implies that the external pressure acting on the balloon must have increased by the same amount as the internal pressure. This balance of pressures prevents the balloon from expanding or contracting.
By Newton's third law of motion, for every action, there is an equal and opposite reaction. In the case of the balloon, the increase in internal pressure exerts a force on the walls of the balloon. The external pressure must match this force to maintain equilibrium and prevent any change in the size of the balloon.
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Use the data table and compare your calculated predictions with the measured y positions. Record your results in the table below. Describe any notable differences. Make a hypothesis about any differences.
Answers
Answer:
0.3 s -0.4 m -0.57 m
0.5 s -1.2 m -1.27 m
0.7 s -2.3 m -2.4 m
Explanation:
Answer:
Time y position (predicted) y position (measured)
0.3 s -0.4 m -0.57 m
0.5 s -1.2 m -1.27 m
0.7 s -2.3 m -2.4 m
The predicted and measured positions are very close, but the measured positions are all a bit higher. Rounded to one decimal place, the last two measured values are 0.1 meters greater than the predicted values.
My hypothesis is that since the video captures frames only every 0.1 seconds, it’s possible that the frame showing t=0.0 is actually a bit before or after the actual time the ball is released. Any significant difference in identifying the actual zero point would affect agreement between the calculations and the observations.
Explanation:
Plato/Edmentum answer