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14 September, 05:16

A 2 kg mass is held 4 m above the ground. what is the approximate potential energy due to gravity of the mass with respect to the ground?

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Answers (2)
  1. 14 September, 06:21
    0
    Gravitational Potential Energy = Mass x Height x Gravitational Acceleration

    Here, Mass = 2 kg, Height = 4 m and Gravitational Acceleration = 9.8 m/sec^2 (this is a fixed/constant universal value)

    So, Energy = 2 x 4 x 9.8 = 78.4 Joules

    So, the final answer is - - > Potential Energy = 78.4 Joules
  2. 14 September, 07:15
    0
    Potential energy mgh = 2kg * 10m/s^2 * 4m = 80kgm/s^2*m = 80nm = 80Joule
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