Astudent slides a book across a desk, with a velocity of +8 m/s. when her friend catches the book, it has a velocity of +7.4 m/s. if the acceleration was a constant -5.6 m/s2, how wide is the desk?

Arescue plane flying horizontally at spots a survivor in the ocean directly below and releases an emergency kit with a parachute. because of the shape of the parachute, it experiences insignificant horizontal air resistance. if the kit descends with a constant vertical acceleration of, how far away from the survivor will it hit the waves?

Which describes an image that can be produced by a concave lens? the image is real and smaller than the object. the image is virtual and larger than the object. the image is virtual and smaller than the object. the image is real and larger than the object.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.