Question

Kamal and Harish climb a 15 m hill. Kamal and Harish has mass 38 kg each. Kamal reach top of hill in

19 sec. while Harish reach top of hill in 15 sec. Find the power used by both of them to climb a hill.

(g = 10 m/s

2

)​

Answer 1

Answer:

Kamal-300w,Harish-380w

Explanation:

energy=m g h

           =38x10x15

energy used by both of them=5700 joule

power=w/t

power consumed by Kamal=5700/19                                                                              

                                             =300watt

power consumed by Harish =5700/15

                                               =380watt

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