A 0.47 kg squirrel jumps from a tree branch that is 3.5 m high to the top of a bird feeder that is 1.2 m high. how much gravitational potential energy does the squirrel lose during the jump? Show your work.

What happens to light waves from a star as the star moves away from earth?

Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.

Could someone . i have tried to solve myself but my calculation is off