assume that a planet has mass half that of earth and radius twice that of the earth.If acceleration due to gravity on the surface of the earth is g then acceleration due to gravity of planet
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g ∝ M / r^2
g1 / g2 = (M1 / M2) × (r2 / r1)^2
g / g2 = (M / (M/2)) × (2r1 / r1)^2
g / g2 = 2 × 4 = 8
g2 = g/8
Acceleration due to gravity of planet is g/8
g1 / g2 = (M1 / M2) × (r2 / r1)^2
g / g2 = (M / (M/2)) × (2r1 / r1)^2
g / g2 = 2 × 4 = 8
g2 = g/8
Acceleration due to gravity of planet is g/8
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