Question
The swimmer shown in Figure 7.43 exerts an average horizontal backward force of 80.0 N with his arm during each 1.80 m long stroke. (a) What is his work output in each stroke? (b) Calculate the power output of his arms if he does 120 strokes per minute.
Question Image
1. $144 \textrm{ J}$
2. $288 \textrm{ W}$
Solution Video