Kamal and Harish climb a 15m hill. Kamal and Harish has mass 38kg. each. Kamal reach top of hill in 19sec while harish reach top of hill in 15 sec. Find the power used by both of them to climb a hill. (g = 10 mls2)
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Explanation:
energy= m×g×h
=38×10×15
energy used by both of them =5700joule
power = W/T
power used by Komal = 5700/19 =300 watt
power consumed by harish =5700/15= 380 watt
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