Question

A athlete weighing 60kg runs up a staircase having 10 steps each of 1m in 30 sec. Calculate power (g = 9.8ms-1 )

Answer 1

24 kg of wheat is required

Answer 2

F = m x a

= 60 x 10

=600 N

S = 10 x 1

= 10m

T = 30 sec

Power= f•s /t

= 6000/30

= 200 watts

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