A50-kg student gets in a 1000-kg elevator at rest. as the elevator begins to move, she has an apparent weight of 600 n for the first 3 s. how far has the elevator moved, and in which direction, at the end of 3 s?

A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s

What is the equation for electrical work?

Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. use the following specific heat capacity data to determine which block will increase its temperature the most.