A 1500 kg car moves forward with 30 kg • m/s of momentum. What is its velocity?

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you