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Potential Energy

a cooli left ...

Question

a cooli left a box 15g (mass) from the ground to the height 2m .calculate the work done by the cooli on the box.

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Solution

$W o r k d o n e, W = m g h m a s s = 15 g = 0.015 k g W = 0.015 \times 10 \times 2 = 0.3 J$

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