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12 March, 13:38

A 90-kg ceiling light is suspended 4 m above the floor. What is its gravitational potential energy?

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Answers (2)
  1. 12 March, 13:39
    0
    Use the equation P = mgh. (U is the Potential energy, m = the mass in kg, g = gravity, h = height from floor/earth).

    The answer would be about 3532 J
  2. 12 March, 14:07
    0
    The answer to your question is Pe = 3531.6 J

    Explanation:

    Data

    mass = 90 kg

    height = 4 m

    acceleration due to gravity = g = 9.81 m/s²

    Formula

    Potential energy = Pe = mgh

    Process

    Potential energy is the energy of an object due to its position.

    1. - Substitution

    Pe = (90) (9,81) (4)

    2. - Simplification and result

    Pe = 3531.6 J
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