A rock with a mass of 10.0kg falls 25.0m to
the ground. What is the work done by the
gravitational force if the weight of the ball
is 98.0N?

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.