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20 April, 01:18

How much potential energy does a 15kg branch have if it 4.5 m above the ground?

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Answers (2)
  1. 20 April, 04:33
    0
    Answer: PE = 662 J

    Explanation: Potential Energy is the product of mass, gravity and height.

    PE = mgh

    = 15 kg x 9.8 m/s² x 4.5 m

    = 662 J
  2. 20 April, 04:34
    0
    675 joule

    Explanation:

    mass of the branch=15 kg

    gravity=9. 8 m/s^2

    height=4. 5 m

    now,

    potential energy=mass*gravity*height

    =15kg * 9. 8 m/s^2 * 4. 5 m

    =675 j
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