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7 February, 12:47

When the height of the cylinder increased by a factor of 5, from 100 m to 500 m, what happened to the cylinder's gravitational potential energy? It decreased by a factor of 10. It decreased by a factor of 5. It increased by a factor of 5. It increased by a factor of 10.

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Answers (2)
  1. 7 February, 13:20
    0
    Answer

    option b)

    It increased by a factor of 5

    Explanation

    Given that,

    the height of cylinder before increment = 100m

    the height of cylinder after increment = 500m

    factor by which it is increased = 5

    Formula to calculate gravitational potential energy

    gravitational P. E = mgh

    where m = mass

    g = acceleration due to gravity on earth = 9.81 m/s²

    h = height

    GPE' = new gravitational P. E

    mgh' / mgh = GPE' / GPE

    mg500/mg100 = GPE' / GPE

    cancelling mg

    500/100 = GPE' / GPE

    5 = GPE' / GPE

    GPE' = 5GPE
  2. 7 February, 16:11
    0
    C) It increased by a factor of 5.
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