How are plant cells and solar cells similar?.

Answer:

c.) magnetosphere

Explanation:

I think is C

a) The MAXIMUM force of gravitational attraction between Venus and Earth is 8.68*10³⁶ N.

b) I will  weigh 405N on Venus

c) The point at which the gravitational forces of Earth and Venus would be equal is called the Lagrange point.

This refers to a force of attraction (attractive force) that attracts all physical forms having mass to the center of the earth.

The maximum force of gravitational attraction between Venus and Earth can be calculated using Newton's law of universal gravitation. Using  the law of the force of attraction between two objects with masses m₁ and m₂ and separated by a distance r is given by:

Formula for calculating gravitational attraction/force:

a). F = G * (m₁ * m₂) / r²

Where,

G = gravitational constant,( 6.674 x 10⁻¹¹ N*(m/kg)²).

r₁ = 1.08 x 10¹ m

r₂ =  1.49 × 10¹ m

m₁ = 4.83 x 10²⁴ kg

m₂ = 5.98 x 10²⁴ kg

Substituting in the values for the mass of Venus and Earth, and the distance between them, we get:

F = (6.674 x 10⁻¹¹ N*(m/kg)²) * (4.83 x 10²⁴kg) * (5.98 x 10²⁴  kg)

                                  ( 1.49 × 10¹m)²

Simplifying, we get:

F = 8.68*10³⁶ N

This is the maximum force of gravitational attraction between Venus and Earth.

b)The weight of an object on a planet is determined by that planet's mass and surface gravity. The surface gravity of Venus is about 8.87 m/s², which is about 91% of the surface gravity of Earth.

Thus if you weigh 445 N on Earth, you would weight on Venus will be:

weight on Earth * the surface gravity of Venus

= 445 N  * 91

                 100

weight on Venus = 404.95N

weight on Venus ≈ 405N

C) The point at which the gravitational forces of Earth and Venus would be equal is called the Lagrange point. There are five such points in the Earth-Venus system, designated L1 through L5. The point you are describing is called the L1 point, and it is located about 1.5 million kilometers from Earth in the direction of Venus. At this point, the gravitational forces of the two planets are in balance, so an object placed there would remain stationary with respect to both Earth and Venus. However, it would still be affected by the gravitational forces of the Sun and other celestial bodies, so it would not be a true equilibrium point.

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Answer:the roller coaster cars

Explanation:

Yes, an equipotential line of 5v and -5v can be drawn, both will have the same shape and no work will be done in moving the 1 nC charge along the equipotential line.

Q2) Yes, an equipotential line of 5V can be drawn.

Equipotential lines are defined as a set of points that have the same potential difference relative to another set of points. It can be drawn as a circle or a sphere with the charge as the center.

Q3) Yes, an equipotential line of -5V can be drawn.

For example, if there is a negative point charge at the origin, the equipotential line of -5V would be a sphere centered at the origin with a radius such that the electric potential on its surface is -5V.

Q4) No, the shape of the equipotential line will remain the same in both cases. It will still be a circle or a sphere depending on the position of the charge. The only difference is the value of the potential difference associated with the equipotential line.

Q5) How much work is needed to move a 1 NC charge halfway along the equipotential line?

When a charge is moved from one point to another along an equipotential line, no work is done by the electric field. This is because the potential difference between the two points is zero, so there is no potential energy difference between the two points. Therefore, no work is needed to move a 1 NC charge halfway along the equipotential line.

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Answer:

1) 50 km/h

2)80/9 m/s

Explanation:

Speed = Distance / time

It takes our Solar system 230 million years to complete one orbit around the milky way galaxy; option E.

The solar system refers to the system of the Sun and the planets that orbit it.

The Sun is the star of our solar system. The planets in our system include:

Our solar system is a part of the Milky Way Galaxy.

It takes about 230 million years for our Solar system to complete one orbit around the Milky Way Galaxy.

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Answer:

Answer is -2.

Explanation:

I hope it's helpful!

Answer:

neg 2

Explanation:

Answer: the pressure increases with the amount of water pushing in on all sides of the diver, for example, when you jump into a pool and you head is above water it a little harder to breathe, it is the same way for divers when they are diving at increasingly deep depths, the deeper you are the more water is pressing in on you.

Explanation:

The one-dimensional diffusion equation or Fick's second law is the name of this equation. For the geographically and temporally variable concentration, it is solvable.

A diffusion explanation is what?

The movement of molecules along a concentration gradient is known as diffusion. It is a significant process that all living things go through. Diffusion facilitates the flow of materials into and out of cells.

Which definition of diffusion is the best?

Diffusion is the movement of molecules from a region where they are more concentrated to one where they are less concentrated. Therefore, "Movement of molecules from a region of their greater concentration to a region of their lower concentration" is the right response.

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To determine the resistance in SI units that you need to set the cycle ergometer to, given that you want to have a subject exercise at 125 watts with an RPM of 60 for 3 minutes, follow the steps below:

Step 1: Determine the energy used in Joules during the 3 minutes at 125 watts.

P = W / tWhere:

P = power (125 watts)t = time (3 minutes converted to seconds

= 3 × 60 = 180 seconds)

W = energy used in Joules (to be determined)

Substituting the given values:

P = W / t125

= W / 180W

= 125 × 180W

= 22,500 Joules

Step 2: Determine the work done (in Joules) per revolution (360 degrees).

Work done per revolution = energy used in Joules / number of revolutions per minute / 60

Where:number of revolutions per minute = RPM / 60

Substituting the given values:

Work done per revolution = 22,500 / (60 / 60) / 360

Work done per revolution = 22,500 / 1 / 360

Work done per revolution = 22,500 × 360

Work done per revolution = 8,100,000 Joules

Step 3: Determine the torque needed to perform one revolution (360 degrees) of the pedals in SI units (N-m).Torque = work done per revolution / (2 × π)

Where:

2 × π = 6.2832

Substituting the given values:Torque = 8,100,000 / 6.2832

Torque = 1,288,684.08 N-m

Step 4:

Determine the resistance (force) needed at the pedals in Newtons (N) to produce the required torque.Resistance = Torque / pedal radius

Where:pedal radius = 0.175 m (average for a cycle ergometer)

Substituting the given values:

Resistance = 1,288,684.08 / 0.175

Resistance = 7,358,971.89 N (Newtons)

Therefore, you would need to set the resistance to 7,358,971.89 N (Newtons) on the cycle ergometer to achieve the desired subject exercise at 125 Watts with an RPM of 60 for 3 minutes.

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Answer:

Hope it helps

Brainliest po

a is right answer

Answer: Answer for current is 6.667 A and resistance is 0.75 ohm

Explanation:

R1 R2 and R3 are in series because you can see its bent and joint.

So that whole branch is 3 ohm.

3 ohm parallel to 1 ohm is 0.75 ohm

Then by Ohm's Law

I= V/R= 5/0.75

= 6.667 A

please mark my answer the brainliest

You could have asked me on Instagram da

Answer:

Current is 6.667 A and resistance is 0.75 ohm

Explanation:

The energy of the photon is determined as 1.1 x 10⁻¹⁶ J.

The energy of the photon is calculated by applying the following formula as follows;

E = hf

where;

The given parameters include;

frequency of the photon = 1. 7 × 10¹⁷ Hz

Planck’s constant is 6. 63 × 10⁻³⁴ J•s

The energy of the photon is calculated as follows;

E =  6. 63 × 10⁻³⁴ J•s  x 1. 7 × 10¹⁷ Hz  

E = 1.1 x 10⁻¹⁶ J

Thus, the energy of the photon is determined as 1.1 x 10⁻¹⁶ J.

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If one travels away from the center of a mid-ocean rift (ridge) zone, the rock on either side of the rift zone gets progressively younger.

Hence, the correct option is A.

When one travels away from the center of a mid-ocean rift zone (ridge), the rock on either side of the rift zone gets progressively younger.

This is because at the mid-ocean ridge, new oceanic crust is formed through volcanic activity. As tectonic plates move away from the ridge, new magma rises to fill the gap, solidifies, and forms new rock.

Therefore, the rocks farther away from the ridge are younger compared to the rocks closer to the ridge.

Hence, the correct option is A.

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The nebular hypothesis describes that when a cloud collapses into a star system a new star is forming inside this glowing cloud of gas.

The nebular theory proposes that a rotating cloud of material called a nebula, composed primarily of light components, flattened into a protoplanetary disc and developed into a solar system made up of a star and circling planets.

The Sun originated independently from a collapsing cloud of gas and dust, and as the planets passed by it later, they were gravitationally pulled in.

Individual stars and their planets develop from the revolving clouds' flattening into protostellar discs.

Most of the angular momentum is transmitted into the residual accretion disc through an unidentified mechanism that is thought to be related to the powerful magnetic fields associated with a newborn star.

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The correct option is B, Standing waves result from the superposition of two waves that have the same amplitude and frequency and opposite directions of propagation .

Amplitude is a fundamental concept in physics and refers to the maximum displacement or distance of an oscillating system from its equilibrium position. It is commonly used to describe the magnitude of a wave or vibration, and is measured in units such as meters or volts.

In the context of waves, amplitude represents the maximum height or depth of the wave crest or trough, and is often used to describe the intensity or strength of the wave. In sound waves, amplitude is directly related to the loudness or volume of the sound, with larger amplitudes corresponding to louder sounds. In electrical engineering, amplitude refers to the maximum voltage or current of an alternating current (AC) waveform.

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Complete Question:-

Standing waves result from the superposition of two waves that have

a. the same amplitude, frequency, and the direction of propagation.

b. the same amplitude and frequency and opposite directions of propagation .

c. the same amplitude, slightly different frequencies, and the same direction of propagation.

d.the same amplitude, slightly different frequencies, and opposition directions of propagation

Water droplets on polar surfaces have a low contact angle, while water droplets on nonpolar surfaces have a high contact angle.

Water molecules are polar, with a positive and a negative end, and exhibit strong intermolecular forces. Polar surfaces, such as glass or hydrophilic materials, have regions of partial positive and negative charges, allowing water molecules to form hydrogen bonds and electrostatic interactions. This strong attraction between water and polar surfaces results in the spreading of water droplets, leading to a low contact angle.

On the other hand, nonpolar surfaces lack significant positive or negative charges and do not strongly interact with water molecules. The cohesive forces between water molecules are stronger than the adhesive forces between water and nonpolar surfaces. As a result, water droplets on nonpolar surfaces tend to minimize contact and form compact spherical shapes, resulting in a high contact angle.

In summary, the contact angle is determined by the balance between cohesive forces within the liquid and adhesive forces between the liquid and the surface. Polar surfaces promote strong adhesion and low contact angles, while nonpolar surfaces exhibit weak adhesion, resulting in high contact angles.

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The elements which are in the unknown according to the diagram given is He and is therefore denoted as option C.

This is referred to as a type of graph which shows the intensity of light being emitted over a range of energies and it varies with properties such as wavelength or frequency. When light is passed through a prism, band of colors are usually observed which signifies light spectrum with the plural being spectra.

In the diagram given , the element He and the unknown have the most similar spectra observed as a result of the lines which fall in almost the same range and place and it makes it the most likely component of the mixture of unknown gases.

This is therefore the reason why option C was chosen as the most appropriate choice.

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1 hecto gram = 100 grams

1 gram = 100 centi grams

combine two.

1 hecto gram = 100 × 100 centi grams

1 hecto gram = 10000 centi grams

200 hecto grams = 200 × 10000 centi grams

200 hecto grams = 2000000 centi grams

The change in gravitational potential energy stored in 16 Jule.

What is gravitational potential energy?

gravitational potential energy

In classical mechanics, of the  gravitational potential at in a  location is equal to the work per unit mass that's would be needed to Move an object to that locations from a fixed references  location. It is analogous to the electric potential with the mass playing the role of charge.

Sol-As per the given question ∆PE = mgh

M= skg

g= 4m/s^2

∆h = 2m

∆PE = 2m×4m×2m

= 16 Joules.

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Archimedes submerged the crown in a bucket of water until it overflowed, then calculated the volume of the water that was spilled.

Archimedes discovered that the crown really displaced more water than the gold lump of same mass. As a result, he came to the conclusion that the crown was not made of pure gold and that the goldsmith had, in fact, attempted to deceive the king by adding some silver (or other, lighter metal) to the gold.

Then, in order to confirm that the crown is actually composed of pure gold, he used a bar of pure gold of equal mass and compared the volume of spilled water.

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The large ship's mass with a momentum of 1.54 * \(10^{9}\) kg m/s is \(3.16 * 10^{7}\) kg

Given Parameters:

Speed of ship = 48.7 km/hr

The momentum of the ship = 1.54 * \(10^{9}\) kg m/s

Momentum is characterized as the intensity of a body's motion.

Momentum is measured by "mass velocity" because it depends on both the speed and the direction of the body's motion. Mass is a scalar quantity, but velocity is a vector, hence momentum is a vector quantity. Mass in motion is quantified by momentum, which is the measure of how much mass is moving. Typically, it is denoted by the letter p.

Momentum (p) = Mass (m) * Speed (v)

p = mv

We need to calculate the mass of the ship,

m = p/v

\(m =\frac{1.54 * 10^{9} }{48.7} =0.0316*10^{9} = 3.16 * 10^{7}\)

Thus, the mass of the ship is \(3.16 * 10^{7}\) kg

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Answer:

what graph?

Explanation:

please give the proper information

The FitnessGram PACER Test is a multistage aerobic capacity test that progressively gets more difficult as it continues.

The test is used to measure a student's aerobic capacity as part of the FitnessGram assessment. Students run back and forth as many times as they can, each lap signaled by a beep sound. The test get progressively faster as it continues until the student reaches their max lap score.

The PACER Test score is combined in the FitnessGram software with scores for muscular strength, endurance, flexibility and body composition to determine whether a student is in the Healthy Fitness Zone™ or the Needs Improvement Zone™.

(a) The electric dipole moment is 3.46 x 10-29 C*m in size.

(b) The potential energy of dipoles with parallel and antiparallel orientations to E differ by 9.91 x 10-20 J.

In order to determine the dipole moment, we utilize the equation p = qd, where q denotes the charge and d is the separation between the charges. The result is that p = 3.80 nC x 9.10 um = 3.46 x 10-29 C*m.

We apply the equation U = -pEcos, where cos = cos(180°) - cos(0°) = -1, to determine the difference in potential energy. When the values are plugged in, we get U = - (3.46 x 10-29 C*m) x (1260 N/C) x (-1) = 9.91 x 10-20 J. This is the energy needed to change the dipole's orientation with regard to the electric field from one that is antiparallel to one that is parallel.

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Answer: 36 m/s

Explanation:

Wave speed = Wavelength * Frequency

12 * 3 = 36 m/s

Answer: 36 m/s

Explanation:

Answer:

When measurements are close to true

value they are called to be accurate

Explanation:

Answer:

A) accurate

Explanation:

Accuracy refers to how close a measurement is to the true value of what is being measured.