This battery has a difference in potential energy between the positive and negative terminal. which units express this difference in energy?

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.