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Gain in potential energy when a body is raised to a height of a few earth radii

This type of question, asked 3 times: 29 Jul 2022, 25 Jan 2023, 5 Apr 2026 S2. All 3 questions below, oldest first.

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  1. Question 1

    29 Jul 2022

    102
    An object of mass 1 kg1\text{ }kg is taken to a height from the surface of earth which is equal to three times the radius of earth. The gain in potential energy of the object will be [If, g=10 ms−2g = 10{\text{ }ms}^{- 2} and radius of earth =6400 km= 6400\text{ }km ]

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  2. Question 2

    25 Jan 2023

    110
    A body of mass mm is taken from earth surface to the height hh equal to twice the radius of earth (Re)\left( R_{e} \right), the increase in potential energy will be: ( g=g = acceleration due to gravity on the surface of Earth)

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  3. Question 3

    5 Apr 2026 S2

    7
    A body of mass mm is taken from the surface of earth to a height equal to twice the radius of earth (ReR_{e}). The increase in potential energy will be ____\_\_\_\_ . (g is acceleration due to gravity at the surface of earth)

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