Watch the video Q: Comare the car crash with no seats to the crash using set belts. What do you notice? How does the video demonstrate inertia?

https://youtu. be/wV2UTkkQ0Fg

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?

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.