Solved: Youre at the gym, doing arm raises. With each rep, you lift a 20-N weight 55 cm
Chapter 6, Problem 45(choose chapter or problem)
Youre at the gym, doing arm raises. With each rep, you lift a 20-N weight 55 cm. (a) How many raises must you do before youve expended 200 kcal of work (see Exercise 33)? (b) If your workout takes 1.0 min, whats your average power output?
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