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A boy takes 3 minutes to lift a 20 litre water bucket from a 20 m deep well, while his father.......
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A boy takes 3 minutes to lift a 20 litre water bucket from a 20 m deep well, while his father does it in 2 minutes.(a) Compare 1. Work 2. Power(b) How much work each does? ( d =1000 kg 𝒎^(−𝟑) and g = 9.8 N/kg)
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