Gravitation - Result Question 10
10. Two spherical bodies of mass and and radii and released in free space with initial separation between their centres equal to 12 . If they attract each other due to gravitational force only, then the distance covered by the smaller body before collision is
(a)
(b)
(c)
(d)
[2015]
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Answer:
Correct Answer: 10. (b)
Solution:
- (b) Let the distance moved by spherical body of mass M is
and by spherical body of mass is
Before collision At the time of collision
As their C.M. will remain stationary
So,
So,