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06-03-2021
Biology

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a 70kg man ascend a flight of stairs of height 4meter in 7secs calculate the power expanded by the man

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06-03-2021

Since mass is given and time is given and height is also given then g will be 10m/s. M=70kg, h=4m, t=7s. From p=fXs=mgh/t. P=70X10X4/7. P=2800/7=400N. P=400N

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