Question

5. Calculate the power developed by a 110 kg mass climbing up a vertical

staircase at the rate of 2m/s. (g= 9.8 m/s2)​

Answer 1

Answer:

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Explanation:

given , m = 110 Kg

g = 9.8 m/s2

as man climbing up a vertical stairway at the rate of 2.0m/s

I.e distance covered in 1 sec=s = 2.0m

So work done will be given as

Let W = mgs

So

P = W/T

P = mgs / t

As t=1 sec

so P=110 * 9.8 * 2=2156 Watt