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A boy of mass 12kg runs up a set of total height 15m in 30 seconds, calculate the expanded power |
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Answer» Explanation:Power = Work/time Data:m=12kg, h=15, t=30secsWork =FORCE x distance WEIGHT (force) = mass x GRAVITY = 12 x 10 = 120NWork = 120 x 15 = 1800JPower = 1800/30 = 60W |
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