Amotor lifts a 10,000 n elevator car a distance of 8 m in 6 seconds. a different motor exerting more power would lift a.) the same car the same distance in a greater number of seconds b.) a lighter car the same distance in the same amount of time c.) the same car a shorter distance in the same amount of time d.) the same car the same distance in fewer seconds

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Steelhead trout migrate up stream to spawn. occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b. leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?