A bowling ball and a baseball both roll across your foot at the same speed. The bowling ball hurts much more. Which law of motion is this?

A900 kg roller coaster car is travelling westward on the track and begins to slow down from 18m/s to 2m/s. how long does it take the roller coaster car to decelerate if the force acting on the car to slow it is 7024n? how far does the roller coaster travel during this time?

A6,600 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400kg moving at -3.0m/s. what is their final velocity? +0.50 m/s -1.0 m/s +2.5 m/s -0.25 m/s

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.