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

User SteveFerg
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1 Answer

5 votes

Answer:

p= mgh/t

= 70×10×4/7=400J/sec

User Demetri
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