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A boy, 35 kg, climbed up 20 steps, each step 0.25 m. It took him 8.9...

A boy, 35 kg, climbed up 20 steps, each step 0.25 m. It took him 8.9 seconds to complete the fight of stairs. How much power did the boy require to climb the stairs?

a. 192.9 W     b. 771.6 W     c. 19.7 W    d. 78.7 W

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Answer #1

Time takem c M .2Sm 5m 2 0.25m 35 x 9,8 x 5 -t

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