Four skydivers jumped out of the same plane at the same time. Two have opened their parachutes, and two have not. Which skydiver has the most gravitational potential energy?

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals