Which of the following is an example of the electrostatic force acting in an atom?

A. An electron repelling a proton

B. A proton repelling another proton

C. A neutron repelling an electron

D. A neutron repelling another neutron

The size of a force vector shows; A. the direction of the force B. the magnitude of the force C. the length the object will move because of the force D. the acceleration of the object

A baseball is thrown a distance of 20 meters what is its speed if it takes 0.5 seconds to cover the distance?

Light can travel through outer space from the Sun to the Earth. This shows that A. light can travel only through air B. light can travel through matter OC. light can travel in a vacuum D. light can travel only short distances Reset Submit

Does the moon really change shape? Explain.

Two deer run toward each other. One deer has a mass of 20 kg and runs west with a speed of 5 m/s, while the other has a mass of 30 kg and runs east with a speed of 4 m/s. What is the total momentum of the system made up of the two deer?

Name six processes that are often involved in scientific inquiry.

What happens to the ball's velocity while the ball is traveling upwards?

What will happen to this current if a magnet is brought near the cord?

A 2.0 kilogram rifle initially at rest fires a 0.002 kilogram bullet. As the bullet leaves the rifle with a velocity of 500 meters per second, what is the momentum of the rifle - bullet system?

Do different volumes of water have the same density? Why or why not?