If a toy car with a coin on top of it is rolling down a hill what force is keeping the coin on top of the car?

When you turn on a battery-operated device, an electrical circuit is

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.

The energy released by a nuclear fusion reaction is produced when