Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate o

Question

Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 95 steps per minute, with each step 8.00 inches high. If you weigh 150 lb and the machine reports that 720 kcal have been burned at the end of the workout, what efficiency is the machine using in obtaining this result? 12.8 If your actual efficiency is 0.17, how many kcal did you really burn? Your response differs from the correct answer by more than 10%. Double check your calculations. kcal Need Help? Talk to a Tutor ll

Explanation / Answer

The solution is very simple actually, just use this formula:

B) .17(?kcal) = (e from part A)(720)

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