1.

Two boys and A and B do the same work in 5 minutes and 6 minutes respectively. Which of the two has more power and why?

Answer»

As we know that power is equal to energy
by time.taking energy as CONSTANT we can say that power is INVERSELY proportional to time .So A will have more power because it took only 5 MINUTES as compare to B which have UTILIZED 6 minutes for the same WORK.



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