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A man carries a load of 50 kg to a heigh...

A man carries a load of 50 kg to a height of 40 m is 25s. If the power of the man is 1568 W, the mass of the man is

A

20 kg

B

50 kg

C

100 kg

D

75 kg

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-WORK -POWER-ENERGY-ADDITIONAL PRACTICE EXERCISE LEVEL -I(MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS
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  16. A block of mas m is attached to two unstretched sprigs of spring const...

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  17. One end of a spring of natural h and spring constant k is fixed at the...

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