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Physics 24 Online
OpenStudy (anonymous):

A hiker wears a 7.5-kg backpack while climbing a mountain. After 30.0 min, the hiker is 8.2 m above the starting point. What is the average amount of power created by the hiker? a. 6.8 W c. 2.2 W b. 12.6 W d. 0.34 W

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