Two spherical bodies of masses and 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 just before collision is |
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a) |
2.5 |
b) |
4.5 |
c) |
7.5 |
d) |
1.5 |

Two spherical bodies of masses and 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 just before collision is |
||||||||

a) |
2.5 |
b) |
4.5 |
c) |
7.5 |
d) |
1.5 |

1 Answer

127 votes

Distance between the centre of spheres = 12 Distance between their surfaces =12 Since there is no external force, hence centre of mass must remain unchanged and hence |

127 votes

127