Answer: 66.7 watts
Step-by-step explanation:
Given that:
Work performed by man = 200 j
Time taken to do work = 3 seconds.
Power = ?
Recall that power is the rate of work done per unit time
i.e Power = work/time
Power = 200J / 3seconds
Power = 66.7 watts
Thus, his power is 66.7 watts