Two 500g carts are on a frictionless track . Can A is moving at 0.2 m / s when it collides into Cart B which at rest . Both cars move away at 0.1 m / s Compared to the total energy of the system before the collision what percentage of energy is transferred to thermal energy in the collision ?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow