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Average power, P = change in energy (∆E)/ time taken(∆t).
Hence, ∆E = P∆t
→ mg∆h=P∆t
From given values,
→ m(10)(20) = 5000(60)
→ m = 1500 Kg
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i dont know how to do it ...
That's the formula you just put the given things in it. Answer is 1500 Kg.
ya i understood ..
thanks ..
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