Avinash can run with a speed of $8 \, m \, s^{-1}$ against a frictional force of $10 \, N$,and Kapil can move with a speed of $3 \, m \, s^{-1}$ against a frictional force of $25 \, N$. Who is more powerful and why?

  • A
    Avinash,because his power is $80 \, W$.
  • B
    Kapil,because his power is $75 \, W$.
  • C
    Both are equally powerful.
  • D
    None of the above.

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