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Health, 20.12.2019 02:31 oofoofoof1
Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 65 steps per minute, with each step 8.00 inches high. if you weigh 150 lb and the machine reports that 650 kcal have been burned at the end of the workout, what efficiency is the machine using in obtaining this result?
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Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 65 steps per minut...
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