A painter on a scaffold drops a 1.5 kg can of paint from a height of 6.0 m. What is the potential energy of the paint can? a-83.2J
b-85.2 J
c-88.2 J
d-89.2 J

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.

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

What happens when a rubber rod is rubbed with a piece of fur?