20. A 50 kg man climbs 50 steps, each one 10 cm high
in 10 s. The power of the man is (take g = 10 m s2
a. 2500 W
b. 2500 Ergs
c. 250 hp
d. 250 W
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Explanation:
Mass is given
time is given
g value is known
height= number of steps* height of each step.
then power=work done/time
substitute and your answer will be 250 watt
calculation is attached in pic
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Power=force*displacement
=mg*s
=50*10*10/100*50
=250 W
So the answer
Is d) 250 W
=mg*s
=50*10*10/100*50
=250 W
So the answer
Is d) 250 W
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