S18-MP4 roblem 26.23 K) 8 of 10 How far does the proton travel before reaching its turning point? Express your answer with the appropriate units. View Available Hint(s) Constants | Periodic Table on an infinite charged plane is -1.60x10-6 C/m2 . A proton is shot straight away from the plane at 2.30x106 m/s Hint 1. How to approach this problem When the proton has reached its farthest point, it is standing still. This means that the work done on the proton by the electric field of the infinite sheet has exactly canceled the original kinetic energy of the proton. Hint 2. What is the work done by the sheet Recall that the electric field near an infinite sheet of charge density ? is given by E Since the electric field strength is independent of the distance from the sheet, the force is constant along the path of the proton and the work done is simply equal to the force times the distance traveled. Value Units Submit
Answers
The force on the proton due to the electric field of the sheet is F = qE, where q is the charge of the proton.
The work done by the sheet on the proton is W = Fd, where d is the distance traveled by the proton before reaching its turning point.
When the proton has reached its turning point, its kinetic energy is zero, so the work done by the electric field of the sheet must equal the initial kinetic energy of the proton, which is given by KE = (1/2)mv^2, where m is the mass of the proton and v is its initial velocity.
Setting these two expressions for work equal to each other, we have:
F d = (1/2)mv^2
Substituting F = qE and E = σ/2ε0, we get:
qd/2ε0 = (1/2)mv^2
Solving for d, we get:
d = mv^2/(qσε0)
Substituting the given values for m, v, q, and σ, and the value of ε0 from the constants, we get:
d = (1.67x10^-27 kg)(2.30x10^6 m/s)^2/(1.60x10^-6 C/m^2)(2ε0) ≈ 1.59x10^-5 m
Therefore, the proton travels a distance of approximately 1.59x10^-5 meters before reaching its turning point.
Related Questions
f the mass of the block is 2 kg, the radius of the circle is 0.8 m, and the speed of the block is 3 m/s, what is the tension in the string at the top of the circle
Answers
Answer:
the size are components relative to the whole.
Explanation:
they are particularly good at showing percentage or proportional data
When heal flows between systems Entropy
Answers
Answer: increases
Explanation:
The
is located 12 to 50 kilometers from Earth’s surface.
Both the
get colder as altitude increases.
The ozone in the
protects people from ultraviolet (UV) radiation.
The
has the highest temperature of any layer in Earth’s atmosphere.
Answers
The thermosphere has the highest temperature of any layer in Earth’s atmosphere.
What is the atmosphere?The term troposphere is the region that is found 12 to 50 kilometers from Earth’s surface. This region is found to be the region where you can find a lot of gases.
Both the Troposphere and the stratosphere get colder as altitude increases. However, the ozone in the stratosphere protects people from ultraviolet (UV) radiation.
The thermosphere has the highest temperature of any layer in Earth’s atmosphere.
Learn more about the atmosphere:https://brainly.com/question/26767532
#SPJ1
Is it possible that the physical velocity is constant but the magnitude of the velocity is variable?give an example
Answers
Answer:
yes it is possible
Explanation:
if the body is travelling with uniform speed in a circular track its speed remains the same but the velocity is non-uniform as the direction of the body is changing every time.
eg: a body in uniform circular motion has constant speed but its velocity changes at every point during the course of motion. Whenever, the direction changes, velcoity changes.
A person following a liberal ideology would likely approve of
Answers
not sure sorry :5
The decibel rules of thumb can be combined. (a) If a sound has intensity xdB, how many dB does a sound 100 times more intense have? (b) If another sound has intensity ydB, how many dB does a sound 4 times less intense have? (c) Combine what you know about (a) and (b): If a sound has intensity zdB, how many dB does a sound 25 times more intense have?
Answers
Convert 17800 seconds into day
Answers
Answer:
the answer is 0.206 day
hope this helps!
Answer:
17800 Second (s) = 0.206019 Day (d)
A ball is launched vertically, from the ground, with an initial velocity of 25 m/s. When the ball reaches the ground again, what will be its velocity.
Answers
Energy conservation principle can be expressed as the sum of the initial kinetic and potential energy in a closed system is equal to the sum of the final potential and kinetic energy in the system
The velocity of the ball when it reaches ground again is 25 m/s
The reason the velocity value is correct is as follows:
The given parameters are;
The direction in which the ball is launched = Vertically upwards
The initial velocity of the ball upwards, v = 25 m/s
Required:
The velocity of the ball when it reaches the ground again
Solution:
By the principle of conservation of energy, we have;
Total mechanical energy, M.E. = Kinetic energy, K.E. + Potential energy, P.E.
M.E. = K.E. + P.E. = Constant
P.E. = m·g·h
When the ball is launched from the ground, h = 0, we have;
P.E. at ground level = 0
K.E. at ground level on the way up, = (1/2)·m·v² = (1/2) × m × 25² = 312.5·m
M.E. = 0 + 312.5·m = 312.5·m = Constant
When the ball is on the way down, at ground level, h = 0, we have
M.E. = 312.5·m = 0 + (1/2)·m·v²
312.5·m = (1/2)·m·v²
v² = 312.5 × 2 = 625
v = √625 = 25
The velocity of the ball when it reaches ground again is v = 25 m/s
Learn more about conservation of energy here:
https://brainly.com/question/20626677
What does it mean ' a source of energy is nonrenewable?(1 point)
Answers
In our lives or possibly in countless lifetimes, non-renewable energy sources will deplete or cease to exist. Coal, petroleum, & natural gas make up the majority of non-renewable energy sources.
In what ways are non-renewable energies harmful?By most standards, biofuels, oil, and natural gas—cause significantly more damage than renewable energy sources, including air pollution, ill effects on human health, habitat loss for species, water use, land use, the global warming emissions.
What is the main drawback of non-renewable energy?Coal, nat gas, oil, & nuclear energy are examples of nonrenewable energy sources. Since we now depend on these resources for the majority of our energy, once they are depleted, they could be replaced, which poses a serious issue for humanity.
To know more about Non-renewable energy visit:
https://brainly.com/question/877821
#SPJ1
Which combination of cell increases both electric current and electromotive force?
Answers
Answer:
In parallel combination, the cells are connected in such a way that the potential difference of the circuit is same as the cells used in the circuit but the time of current flowing increases
To increase both the current and electromotive force (EMF), we need to connect the cells in both series and parallel.
What do you mean by cells in series and parallel?Cells can be connected in series or parallel to increase the overall voltage or current output of a battery.
When cells are connected in series, their positive terminals are connected to the negative terminals of the adjacent cells, and the overall voltage of the battery is the sum of the voltages of the individual cells.
For example, if two cells each have a voltage of 1.5 volts, connecting them in series will create a battery with a total voltage of 3 volts.
When cells are connected in parallel, their positive terminals are connected together and their negative terminals are connected together, and the overall current output of the battery is the sum of the currents of the individual cells.
For example, if two cells each have a current output of 1 ampere, connecting them in parallel will create a battery with a total current output of 2 amperes.
By combining cells in both series and parallel configurations, it is possible to create a battery with a higher overall voltage and current output than a single cell.
This is commonly used in batteries for electronic devices, vehicles, and other applications where high power output is required.
Here in the question,
Connecting cells in series increases the electromotive force (EMF) while keeping the current constant.
Connecting cells in parallel, on the other hand, increases the current while keeping the EMF constant.
Therefore, to increase both the current and EMF, we need to connect the cells in both series and parallel. This can be done by creating a battery with multiple cells, where the cells are connected in both series and parallel configurations. This allows for a higher overall voltage (EMF) and a higher overall current.
To learn about capacitance click:
https://brainly.com/question/28445252
#SPJ2
a true statement of
kinetic theory
Answers
Answer:
real kinetic theory means that kinetic energy
A 1 meter wide door is initially open at an angle of 30o as shown (top view). You push with 20 N force in the middle of the door as shown and the door rotates around the hinge on the left. The door has a rotational inertia =3.0 kg m2. The angular acceleration of the door will be:
Answers
Answer:
angular acceleration = 1.67 rad/s²
Explanation:
given data
door wide = 1 m
initially ope angle = 30°
push force = 20 N
rotational inertia = 3.0 kg m²
solution
we apply force at middle so length will be here r1 = \(\frac{1}{2}\) = 0.5 m
and
now we get here torque that is express as
torque τ = Force × r1 × sin30 ......................1
put her value and we get
torque τ = 20 × 0.5 × sin30
torque τ = 5 Nm
and we know
torque = rotational inertia × angular acceleration .......................2
put her value and we get angular acceleration
angular acceleration = \(\frac{5}{3}\)
angular acceleration = 1.67 rad/s²
How much work must be done to stop a 1175 kg car traveling at 125 km/h?
Answers
According to Work energy theorem,
\(W=\frac{1}{2}mv^2-\frac{1}{2}mu^{2^{}^{}}^{}\)Finally, the car comes at rest therefore,
\(v=0\text{ m/s}\)Substitute the given value in the equation of work-energy theorem,
\(\begin{gathered} W=\frac{1}{2}(1175kg)(0m/s)^2(\frac{1\text{ J}}{1kgm^2s^{-2}})-\frac{1}{2}(1175\text{ kg)(}125km/h)^2(\frac{1000\text{ m}}{1\text{ km}})^2(\frac{1\text{ h}}{60\text{ min}})^2(\frac{1\text{ min}}{60\text{ s}})^2(\frac{1\text{ J}}{1kgm^2s^{-2}}) \\ =0\text{ J-}708309\text{ J} \\ =-708309\text{ J} \end{gathered}\)Thus, the magnitude of work done to stop the car is 708309 J.
Pls help!!
Which situation describes a system with increasing gravitational potential energy?
a boy jumping down from a tree limb
a girl stretching a horizontal spring
a bicyclist riding up a steep hill
a train speeding up on a flat track
Answers
C) a bicyclist riding up a steep hill
The metaphor for a system with rising gravitational potential energy is "a bicyclist riding up a steep hill." Let's get into greater detail:
A cyclist faces resistance from gravity as they ride up a steep slope. The cyclist's elevation, or height above the ground, rises as they cycle and climb uphill. Gravity is pulling the cyclist down the hill by exerting downward force. The cyclist must apply force to the pedals in order to move forward and overcome the pull of gravity. In order to do this, the bicyclist must transform chemical energy from their body into mechanical energy. The distance of the cyclist from the centre of the Earth grows as they ride up the hill. The height and mass of an object affect its gravitational potential energy. In this scenario, as the bicyclist's height rises, their gravitational potential energy also rises.
Due to the higher elevation, the energy input from the biker is stored as increased potential energy. When the bicycle descends the hill or does work, this potential energy can be transformed back into kinetic energy or other types of energy.
Hi please answer the question labeled d
If Q1 is 5 times larger than Q2 the force that Q1 exerts on Q2 is?
(greater than, smaller than, or exactly the same as) the force that Q2 exerts on Q1.
Answers
part a) If Q increases by 5 times its original value, the electrostatic force (F) will increase5 times as well.
part b) If r is halved (reduced by 2), the force will become four times stronger (since 2² = 4).
part c) If Q1 is positive and Q2 is negative, the charges will attract each other.
part d) If the force that Q1 exerts on Q2 is 5 times larger than the force that Q2 exerts on Q1 is same.
What is electrostatic force?The electrostatic force is described as the force of attraction or repulsion between two charged particles.
With regards to Coulomb's Law, we have that the electrostatic force between two charges separated by a distance is :
Force = k * (Q1 * Q2) / r²
Where:
F_ = electrostatic force
k = electrostatic constant
Q1 and Q2 = magnitudes of the charges
r = distance
for case a:
If one of the charges, Q1 or Q2, increases by 5 times then the electrostatic force will also increase by 5 times.
case b)
If the distance between the charges, r, is halved, the electrostatic force will become four times stronger because (1/r²).
for case c.
if Q1 is positive and Q2 is negative, the charges will attract each other because of magnetic laws.
for case d.)
If the force that Q1 exerts on Q2 is 5 times larger than the force that Q2 exerts on Q1 is same as there is a resulting stronger gravitational or electromagnetic force.
Learn more about coulomb's law at:
https://brainly.com/question/506926
#SPJ1
a boy cycles continuously through a distance of 1.0 km in 5 minutes calculate its average speed
Answers
Answer:
0.2 km/minute or 12 km/h
Explanation:
All you have to do is divide distance by time to find the speed. 1/5 km/min is the speed into which we simplify to 0.2 km/min. I then multiplied by 60(numerator and denominator) since there are 60 minutes in an hour to get 12 km/h.
A hypothesis always starts with.....
Question 1 options:
If
then
conclusion
because
Answers
Answer:
because
Explanation:
starts with question then explored through the mind.
A skydiver is using wind to land on a target that is 120 m away horizontally. The skydiver starts from a height of 70 m and is falling vertically at a constant velocity of 7.0 m/s downward with their parachute open (terminal velocity). A horizontal gust of wind helps push them towards the target. What must be their total speed if they want to just hit their target
Answers
Answer:
13.9 m/s.
Explanation:
Since the vertical velocity of the skydiver is constant at v = 7.0 m/s, we find the time, t it takes him to drop from a height of h = 70 m.
So, distance = velocity time
h = vt
t = h/v = 70 m/7 m/s = 10 s
This is also the time it takes him to move horizontally a distance of d = 120 m to the target.
So, his horizontal velocity is v' = distance/time = d/t = 120m/10 s = 12 m/s.
Since both vertical and horizontal velocities are perpendicular, we add them vectorially to obtain the skydivers total speed, V.
So, V = √(v² + v'²)
= √((7.0 m/s)² + (12.0 m/s)'²)
= √(49 m²/s² + 144 m²/s²)
= √(193 m²/s²)
= 13.9 m/s.
The direction of this velocity is Ф = tan⁻¹(v/v')
= tan⁻¹(7 m/s/12 m/s)
= tan⁻¹(0.5833)
= 30.3°
A basketball has a circumference of .203 m.what is the radius of a baseball?
Answers
Given that the circumference of the basketball is C = 0.203 m.
We have to find the radius of basketball, r.
The radius can be calculated as
\(\begin{gathered} C=2\pi r \\ r=\frac{C}{2\pi} \\ =\frac{0.203}{2\times3.14} \\ =0.032\text{ m} \end{gathered}\)Thus, the radius of the basketball is 0.032 m
(KInda need some help here. fast perferable) What is a controlled experiment? A. An experiment with one dependent variable and one experimental variable B. An experiment with only experimental variables C. An experiment with no controlled variables D. An experiment with no variables
Answers
Answer: A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant. In some cases, there is no good way to test a hypothesis using a controlled experiment I hope this helps you
Explanation:
The picture shows two solutions of salt water. Which solution is more concentrated (has a higher concentration)?
Question 15 options:
The first solution is more concentrated
The second solution is more concentrated
The solutions have the same concentration.
Answers
In order to determine which of the two solutions of salt water is more concentrated, we need to first understand what concentration means and how it is measured. Concentration refers to the amount of solute dissolved in a given amount of solvent. It is typically measured in units of mass per volume, such as grams per liter (g/L) or milligrams per milliliter (mg/mL). so The second solution is more concentrated
When comparing the concentration of two solutions, the one with a higher concentration has more solute dissolved in the same amount of solvent. Therefore, in the picture provided, we can determine which solution is more concentrated by looking at the relative amounts of solute in each solution.If the solutions have the same concentration, then they must have the same amount of solute dissolved in the same amount of solvent. From the picture, we can see that both solutions are in the same size container and have the same amount of solvent (water) in them. Therefore, we can conclude that they have the same concentration of salt.The amount of solute dissolved in a solution can be increased by either adding more solute or by reducing the amount of solvent. If we were to add more salt to one of the solutions, we would increase the concentration of that solution. Alternatively, if we were to evaporate some of the water from one of the solutions, we would reduce the amount of solvent and increase the concentration of that solution.
For more question concentrated
https://brainly.com/question/26288031
#SPJ8
What is the charge of the particle on an aluminum rod with a 0.946 that you pass between the poles of a 0.41-T permanent magnet at a speed of 4.05 m/s at a 90o angle?
Answers
The charge of the particle on the aluminum rod is 9.26 x 10^-6 C.
When a charged particle moves through a magnetic field, it experiences a force known as the Lorentz force. The Lorentz force is given by the equation F = qvBsinθ, where F is the force, q is the charge of the particle, v is the velocity of the particle, B is the magnetic field strength, and θ is the angle between the velocity vector and the magnetic field vector.
In this scenario, an aluminum rod with a mass of 0.946 g is passed between the poles of a 0.41-T permanent magnet at a speed of 4.05 m/s at a 90o angle. Since aluminum is a conductor, it is expected that electrons in the metal will be free to move, allowing for a current to flow through the rod.
We can calculate the charge of the particle by using the equation F = ma, where F is the Lorentz force, m is the mass of the particle, and a is the acceleration of the particle.
The acceleration of the aluminum rod can be calculated using the equation a = F/m. Since the rod is moving at a constant velocity, the force due to air resistance can be ignored. Therefore, the force acting on the rod is solely due to the Lorentz force. Thus, we can write: a = F/m = qvBsinθ/m, Solving for q, we get: q = ma/vBsinθ = (0.946 x 10^-3 kg x 4.05 m/s)/(0.41 T x sin90o) = 9.26 x 10^-6 C.
Therefore, the charge of the particle on the aluminum rod is 9.26 x 10^-6 C.
For such question on charge visit:
https://brainly.com/question/26793953
#SPJ11
6. A 25 g sample of iron (initially at 800.00°C) is dropped into 200 g of water (initially at
30.00°C). The final temperature of the system is 40.22°C. Find the specific heat of iron.
90
Answers
Answer:
\(c=0.45\ J/g^{\circ} C\)
Explanation:
Given that,
A 25 g sample of iron (initially at 800.00°C) is dropped into 200 g of water (initially at 30.00°C). The final temperature of the system is 40.22°C.
We need to find the specific heat of iron.
It can be calculated as:
Cooler water gains = hot metal loses
mc∆T = - mc∆T
Put all the values,
\(200g(4.184\ J/g^{\circ} C)(T_f-T_i) = -25g(c)(T_f-T_i) \\\\200g(4.184 )( 40.22-30.00) = -25\times (c)\times (40.22-800.00)\\\\8552.096 = 18994.5c\\\\c=\dfrac{8552.096 }{18994.5}\\\\c=0.45\ J/g^{\circ} C\)
So, the specific heat of iron is \(0.45\ J/g^{\circ} C\)
A bigger car needs a bigger engine to accelerate what is the Newton’s law
Answers
Answer:
Newton's second law applies here
Explanation:
Newton's second law states that the force on an object is equal to its mass times its acceleration. It applies to this question because a bigger car has more mass, so it needs a larger engine for more acceleration.
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
What does the slope represent? v^2/h = what variable?
Answers
Answer:
Slope measures the rate of change in the dependent variable as the independent variable changes.
Explanation:
The prediction that alcohol slows reaction time is:_________.
a) nondirectional
b) directional
c) semi directional
d) partially directional
Answers
Answer:
b) directional
Explanation:
The prediction that alcohol slows reaction time is Directional . This is because for alcohol to be known as one which slows reaction time means there have been various hypothesis conducted which supports this.
In this case, formulation of a null hypothesis is usually necessary which means that alcohol does not slow reaction time and another alternative hypothesis that suggests that alcohol slows reaction time.
The brakes of a car are applied when it is moving at 100 km/h and provide a constant deceleration of 10 meters per second per second (m/s2). How far does the car travel before coming to a stop
Answers
Answer:
-38.58m
Explanation:
Convert from km/h to m/s.
100km/h → 250/9m/s
Use the formula [ v^2 = -2ax ] to solve the rest.
(250/9)^2 = -2(10)x
62500/81 = -20x
-38.58 ≈ x
Best of Luck!
A metal ball began a free fall from the top of a building towards a sandy soil ground so that its velocity at the moment of striking the ground was 30 m/s, if the ball stopped after 0.01 s of penetrating the sand and the average resistance force of the sand again the motion of the ball was-3010 N, the mass of the ball is approximately equal to (Given that: The acceleration due to gravity is 10 m/s²)
Answers
The mass of the metal ball is approximately equal to 0.1 kg.
Freefall is a type of motion in which an object falls with gravitational acceleration without resistance from air, surface, or medium. In a freefall, the only force acting on an object is the force of gravity. In a freefall, the acceleration of an object is given by the formula: `g = 9.81 \(m/s^2`\)
The final velocity of a freefalling object can be calculated using the formula: `v = g*t `Where v is the final velocity, g is the gravitational acceleration, and t is the time taken to reach the final velocity. The force acting on an object is equal to the product of the mass of the object and the acceleration acting on the object. This is known as Newton's Second Law of Motion.
The formula for calculating force is: `F = ma`.Where F is the force acting on the object, m is the mass of the object, and a is the acceleration acting on the object.Given that the velocity of the metal ball at the moment of striking the ground was 30 m/s, and that it stopped after penetrating the sand for 0.01 s, we can calculate the mass of the metal ball using the formula for force.
We can assume that the force acting on the metal ball is equal to the average resistance force of the sand against the motion of the ball.
The formula for calculating force is: `F = ma`.
Rearranging the formula, we get: `m = F/a` .
Substituting the given values, we get: `
m = -3010/10`
Thus, the mass of the metal ball is approximately equal to 0.1 kg.
Know more about metal ball here:
https://brainly.com/question/29857789
#SPJ8
What are 2 factors that affect gravity? *
Answers
1. Wha' is the relationship between potential and kinetic energy?
As potential energy increases, kinetic energy increases.
b. As potential energy increases, kinetic energy decreases.
C. As potential energy decreases, kinetic energy decreases.
d. Potential and kinetic energy are two separate things and have no
relationship.
Answers
Answer:
B
Explanation:
The kinetic energy in an object is converted into potential energy. This makes the kinetic decrease, while the potential increases.