If you placed a cylinder with a 0.25 m radius in the middle of a record player that spins at 4.7 rad/s, what is its angular momentum? the cylinder has a mass of 2.0 kg.

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

Which levels of government establish and implement educational requirements for minors

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?