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24-04-2017
Physics

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You carry a 20 n bag of dog food up a 6 m flight of stairs. how much workwas done?

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24-04-2017

Vertical stairs :P: W = (20 N) * (6.0 m) * cos (0 degrees) = 120 Joules

At 45 degrees: W = (20.0 N) * (6.0 m) * cos (45 degrees) =

(20N) * 6m) * (0.707106781) = 84.853 Joules

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