The ratio of the weights of a body on the Earth's surface to that on the surface of a planet is 
. The mass of the planet is 
th of that of the Earth. If ' 
' is the radius of the Earth, what is the radius of the planet? (Take the planets to have the same mass density)
Text Solution
Verified by ExpertsD
Since mass of the object remains same
Weight of object will be proportional to ' 
' (acceleration due to gravity) Given:
Also, 
(M is mass planet, 
is universal gravitational constant, 
is radius of planet)
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