A 60 kg person who was at a height 90 meters climbs down to the height of 60 meters what was the change of his gpe

Question

A 60 kg person who was at a height 90 meters climbs down to the height of 60 meters what was the change of his gpe

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Amity 1 year 2021-07-26T14:32:02+00:00 2 Answers 14 views 0

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    0
    2021-07-26T14:33:40+00:00

    Answer:

    ΔU = -17640 J

    Explanation:

    use the formula ΔU = mgΔh for the change in potential energy

    m = 60 kg

    g = 9.8 m/s^2

    Δh = 60 – 90 = -30 m

    ΔU = mgΔh

    ΔU = 60 * 9.8 * -30

    ΔU = -17640 J

    there was a decrease of 17640 joules in potential energy

    0
    2021-07-26T14:33:59+00:00

    Decrease of joules in it

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