If a steel, thin-shelled wheel of radius r and mass m is moving along the road at 2 m/s, what is the total kinetic energy? 1) 2m 2) 3m 3) 1m 4) 5m 5) 4m

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal

Why does a collision with an airbag cause less damage than a collision with a steering wheel