the weight of a body at a height equal to the radius of the earth is 'N'.
what will be its weight and height is equal to 3 times the radius of the earth
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mass of body = m
Radius of earth= R
Mass of earth = M
weight at height R= GMm/ (4R)² = N
at height 3R= GMm/ (16R)²
(1/4)GMm/(4R)²
= N/4
Radius of earth= R
Mass of earth = M
weight at height R= GMm/ (4R)² = N
at height 3R= GMm/ (16R)²
(1/4)GMm/(4R)²
= N/4
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