a boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10cm high in 10 seconds

Question

Question

a boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10cm high in 10 seconds. What is his power? show your workings

Answer 1

Answer #1

The height is
h = 20?0.1 = 2 m
The work is W = mgh =350?2 = 700 J
Power = Work/time = 700/10 =70 W

answered by: oath

Answer 2

Answer #2

My answer is 70,000

Answer 3

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