One coolie takes 1 minute to raise a suitcase through a height of 2 ~m but the second coolie takes 30 ~s to raise the same suitcase to the same height. The power two coolies are in the ratio

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Quantrex Academy · Accepted Answer

Correct answer: D. 1: 2

We know that Power = Work done Time Work done =m g h is same in both the case P ₁ P ₂ = f₂ f₁ = 30 sec 1 ~min = 1 2

One coolie takes 1 minute to raise a suitcase through a height of 2 ~m but the second coolie takes 30 ~s to raise the same suitcase to the same height. The power two coolies are in the ratio

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