Two spherical bodies of mass M and 5 M and radii R and 2R released in free space with initial separation between their centres equal to 12 R. If they attract each other due to gravitational force only, then the distance covered by the smaller body before collision is:
Text Solution
Verified by ExpertsThe correct answer is:
B
As their C.M. will remain stationery
so (M) (x 1 ) = (5M) (x 2 )
and for tauching
x 1 + x 2 = 9R
so x 1 = 7.5 R
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