Gravitational potential energy is a form of potential energy
a.) caused by gravity alone.
b.) caused by gravity and that depends on an object's position and mass.
c.) caused by gravity and that depends on an object's mass, but not its position.
d.) caused by gravity and that depends on an object's position, but not its mass.

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?

What do we mean by the event horizon of a black hole?