mass of a body is 25 kg. what is its weight in newton on earth the body is carried to a planet whose mass is two times the mass of earth and radius is half that of earth. what will be the mass and weight of the body on the planet take the value of g on earth as 10 ms -2
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mass of body will be same on both
weight on Earth=mg
weight on planet = mg'
g/g'=(M/M')×(R'/R)^2
g/g'=(1/2)×(1/2)^2
=1/8
g'=g×8
g'=10x8
mg'=10×8x25
= 2000
weight on Earth=mg
weight on planet = mg'
g/g'=(M/M')×(R'/R)^2
g/g'=(1/2)×(1/2)^2
=1/8
g'=g×8
g'=10x8
mg'=10×8x25
= 2000
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