Atrain collided into a car stalled on the tracks with a force of 12,500 n over the course of seconds. what is the change of momentum of the car?

The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

A10n falling encounters 10n of air resistance (upward force). the net force on the object is: