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30 November, 16:50

You carry a 20. N bag of dog food up a 6.0 m flight of stairs. how much work was done

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  1. 30 November, 20:45
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    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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