A 4 kg object moves at a constant velocity 3 m/s to the right and collides with a 2 kg object moving at a velocity 6 m/s to the left. Which of the following statements is
correct?

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.