A 2 kg ball is rolling down a hill at a constant speed of 4 m/s. When it is 5 m above the bottom of the hill, how much mechanical energy does the ball have? (Assume the bottom of the hill is 0 height)

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.