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Weight or g at a height above the earth

This type of question, asked 8 times: 14 Jun 2022, 25 Jun 2022, 25 Jul 2022, 24 Jan 2023, 31 Jan 2023, 6 Apr 2023, 4 Apr 2024, 4 Apr 2026 S2. All 8 questions below, oldest first.

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  1. Question 1

    14 Jun 2022

    10
    The approximate height from the surface of earth at which the weight of the body becomes 13\frac{1}{3} of its weight on the surface of earth is : [Radius of earth R=6400 kmR = 6400\text{ }km and 3=1.732]\sqrt{3}= 1.732\rbrack

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  2. Question 2

    25 Jun 2022

    5
    The height of any point PP above the surface of earth is equal to diameter of earth. The value of acceleration due to gravity at point PP will be: (Given g=g = acceleration due to gravity at the surface of earth)

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  3. Question 3

    25 Jul 2022

    106
    An object is taken to a height above the surface of earth at a distance 54R\frac{5}{4}R from the centre of the earth. Where radius of earth, R=6400 kmR = 6400\text{ }km. The percentage decrease in the weight of the object will be

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  4. Question 4

    24 Jan 2023

    2
    The weight of a body at the surface of earth is 18 N18\text{ }N. The weight of the body at an altitude of 3200 km3200\text{ }km above the earth's surface is (given, radius of earth Re=6400 kmR_{e}= 6400\text{ }km ):

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  5. Question 5

    31 Jan 2023

    101
    A body of weight WW is projected vertically upwards from earth's surface to reach a height above the earth which is equal to nine times the radius of earth. The weight of the body at that height will be:

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  6. Question 6

    6 Apr 2023

    110
    The weight of a body on the surface of the earth is 100 N100\text{ }N. The gravitational force on it when taken at a height, from the surface of earth, equal to one fourth the radius of the earth is:

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  7. Question 7

    4 Apr 2024

    110
    A 90 kg90\text{ }kg body placed at 2R2R distance from surface of earth experiences gravitational pull of: ( R=R = Radius of earth, g=10 ms−2g = 10{\text{ }ms}^{- 2} )

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  8. Question 8

    4 Apr 2026 S2

    5
    The height in terms of radius of the earth (R)(R), at which the acceleration due to gravity becomes g9\frac{g}{9}, where gg is acceleration due to gravity on earth's surface, is ____\_\_\_\_ .

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