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27 June, 09:54

An 114 kg man climbs up a 4 m high fight of stairs. The acceleration of gravity is 9:81 m/s2. What is the increase in the gravitational potential energy of the man-earth syste

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  1. 27 June, 10:15
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    The increase in the gravitational potential energy of the man-earth system is 4473.36 J

    Explanation:

    Potential energy = Mass x Acceleration due to gravity x Height

    Mass = 114 kg

    Height = 4 m

    Acceleration due to gravity = 9.81 m/s²

    Substituting

    Potential energy = Mass x Acceleration due to gravity x Height

    Potential energy = 114 x 9.81 x 4

    Potential energy = 4473.36 J

    The increase in the gravitational potential energy of the man-earth system is 4473.36 J
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