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19 May, 18:53

Determine the amount of potential energy of a 5 Newton's book that is moved to three different shelves on a bookcase. The height of the shelves is 1.0 meter, 1.5 meter, and 2.0 meter

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  1. 19 May, 21:52
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    5 Joules, 7.5 Joules and 10 Joules respectively

    Explanation:

    Potential energy due to gravity is given by mass*gravity*height or weight*height (As weight = mass*gravity)

    The potential energy at the height of 1 meters = 5*1 = 5 Joules

    The potential energy at the height of 1.5 meters = 5*1.5 = 7.5 Joules

    The potential energy at the height of 2 meters = 5*2 = 10 Joules
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