A 3.00-kg stone is dropped from a 39.2 m high building. When the stone has fallen 19.6 m, the magnitude of the impulse the Earth has received from the gravitational force exerted by the stone is Group of answer choices 118 Ns. 58.8 Ns. 9.80 Ns. 29.4 Ns. 19.6 Ns.

What is work? how much work is done to move an object 0 meters?

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m