Question

Power of machine when work done is 30 J in a time interval 5 seconds will be120 W125 W145 W150 W

Answer 1

Power of the machine will be 6 watt

Which is not given in any option

Explanation:

We have given work done W = 30 J

And time t = 5 seconds

We have to find the power of the machine

Power is the rate of change of energy or work done

So power will be equal to $power=\frac{work\ done}{time}=\frac{30}{5}=6watt$

So power of the machine will be 6 watt

Which is not given in any option

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