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in Physics by (29.8k points)

Avinash can run with a speed of 8 m s–1 against the frictional force of 10 N, and Kapil can move with a speed of 3 m s–1 against the frictional force of 25 N. Who is more powerful and why?

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Power of Avinash PA = FA . vA = 10 × 8 = 80 W 

The power of Kapil Pk = Fk . vk = 25 × 3 = 75 W 

So, Avinash is more powerful than Kapil.

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