3.Find the potential energy stored in a ball of mass 5 kg placed at a height of 3 m above the ground. (a) upon the system by a non-conservative force (b) by the system against a conservative force (c) ...
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JONNY NELSON: Energy. There are lots of different types and lots of different ways of storing it. Chemical energy in a sparkler, elastic potential energy that fires a toy into the air, and many, many ...