Ball a has mass 5.0 kg and is moving at -3.2 m/s when it strikes stationary ball b, which has mass 3.9 kg, in a head-on collision. if the collision is completely inelastic, what is the common velocity of balls a and b?

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

A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points