What average mechanical power (in W) must a 61.5 kg mountain climber generate to climb to the summit of a hill of height 365 m in 48.0 min? Note: Due to inefficiencies in converting chemical energy to mechanical energy, the amount calculated here is only a fraction of the power that must be produced by the climber's body.

Q: A child pulls on a wagon with a horizontal force of 75N. If the wagon moves horizontally a total of…

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Q: A 150 kg yak has an average power output of 120 W. How long can a yak climb a 1.2 km high mountain?

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Q: What average power is needed to lift a 65-kg vendor vertically upward at a uniform speed of 0.44…

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Q: A car's engine generates 120,000 W of power as it exerts a force of 12,000 N. How long does it take…

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Q: Water flows over a section of Niagara Falls at a rate of 1.4 × 106 kg/s and falls 60 m. What is the…

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Q: A 70 kg hiker climbed a mountain 1000 m high. Assuming the work was done at a steady rate during 3…

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Q: 19. If a ski lift raises 100 passengers averaging 660 N in weight to a height of 150 m in 60.0 s, at…

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Q: What average mechanical power (in W) must a 72.0 kg mountain climber generate to climb to the summit…

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Q: What is the average useful power output (in w) of a person who does 6.80 x 106 J of useful work in…

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Q: It requires 76 J of work to stretch an ideal very light spring from a length of 0.45 m to a length…

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Q: What average mechanical power (in W) must a 70.5 kg mountain climber generate to climb to the summit…

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Q: What average mechanical power (in W) must a 70.5 kg mountain climber generate to climb to the summit…

A: The expression for the average mechanical power (P) is,

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A: Given that: m=76.5 kgg=9.8 m/s2h=405 mt=46 min=2760 sec W=?

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Q: What is the power output for a 60.0 kg person who runs up a 3.00 m high flight of stairs in 3.50 s,…

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