Calculate what power is expended

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Reference no: EM13554156

1. A rock weighing 10kg is carried horizontally across a 10m room. Calculate

(i) How much work is done

(ii) How much potential energy does the rock gain If the rock above

(i) How much work is done

(ii) What power is expended if you lift the rock to 120cm in time 10s?

Reference no: EM13554156

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