What is the efficiency of inverter ?

What challenges did you encounter during the circuit training program?

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?