Jake pulls a couch of mass 38 kg across his apartment. He pulls on the couch at an angle of 25 degrees with a force of 300 N

The eel has a certain amount of rotational kinetic energy when spinning at 14 spins per second. if it swam in a straight line instead, about how fast would the eel have to swim to have the same amount of kinetic energy as when it is spinning?

Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?

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