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A man carrying a bag of total mass 25 k...

A man carrying a bag of total mass 25 kg climbs up to a height of 10 m in 50 seconds. Calculate the power delivered by him on the bag.

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Knowledge Check

  • A boy ''A'' of mass 50kg climbs up a stair case in 10s. Another boy ''B'' of mass 60kg climbs up a same staircase in 15s. The ratio of their power developed by the boys ''A'' and ''B'' is

    A
    `5/4`
    B
    `3/2`
    C
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    D
    `2/3`

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