Question

4. A weight lifter lifted a load of 200 kgf to a
height of 2.5 m in 5 s. Calculate : (i) the work
done, and (ii) the power developed by him. Take
8 = 10 N kg Ans. (i) 5000 J, (ii) 1000 W
2010​

Answer 1

Answer:

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Answer 2

Answer:

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