Narayan has 70kg mass. He climbs a stair of 3m height in 20 second. Calculate his power.
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3
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Answered by
10
Answer:
105 W
Explanation:
Power = Work done/Time taken
Work Done = Force × Displacement
=> mg × 3
=> 70 × 10 × 3 ( g ≈ 10m/s^2)
=> 2100 J
So, Power = 2100/20
=> 105 Watt
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