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22. A woman with a weight of wt = 140 lbs bench steps for t= 90 seconds at a cadence c = 17 steps/min. The height of the step is h = 25 cm. a) How much mechanical work was performed by the woman? b) What was her power output? c) Assuming an efficiency of EFF = 20%, how many kcal will she burn?

22. A woman with a weight of wt = 140 lbs bench steps for t= 90 seconds at a cadence c = 17 steps/min. The height of the step is h = 25 cm. a) How much mechanical work was performed by the woman? b) What was her power output? c) Assuming an efficiency of EFF = 20%, how many kcal will she burn?

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22. A woman with a weight of wt = 140 lbs bench steps for t= 90 seconds at a cadence c = 17 steps/min. The height of the step is h = 25 cm. a) How much mechanical work was performed by the woman? b) What was her power output? c) Assuming an efficiency of EFF = 20%, how many kcal will she burn?
Transcribed Image Text:22. A woman with a weight of wt = 140 lbs bench steps for t= 90 seconds at a cadence c = 17 steps/min. The height of the step is h = 25 cm. a) How much mechanical work was performed by the woman? b) What was her power output? c) Assuming an efficiency of EFF = 20%, how many kcal will she burn?
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