Question

man of mass 75 kg carries a wood plank of 50 kg climbing a staircase of 20 step of 25 cm each in two minutes.calculate his work done and power ​

Answer 1

Explanation:

Mass of block(m)=20kg

Height (h)=20×0.25=5m

Work doneW=mgh

=20×10×5

W=1000J

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Answer 2

Answer:

Sorry I didn't know the answer

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