A large stone of mass 
is released when centre of mass of the stone is at a height h (h <<R e ). Find speed of stone when it is at a height of 
. M e and R e are mass and radius of earth. Given h = 
m.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(1)
m 
2m = 6×10 24
mv = 2m v' = v' = v/2
mg 
= 
mv 2 + 
(2m) 
⇒ v = 
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