A swimmer does 3,560 J of work in 55 s. What is the swimmer’s power output? Round your answer to two significant figures. The power output of the swimmer is
The value of the swimmer's power output is calculated by dividing the work done by the time it took for the work to be completed. From the given in this item, P = 3560 J/ 55 s = 64.73 W Rounding off to two significant figures will give us 65 W.
