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Two solid spherical planets of equal rad...

Two solid spherical planets of equal radii R having masses 4M and 9M their centre are separated by a distance 6R. A projectile of mass m is sent from theplanet of mass 4 M towards the heavier planet. What is the distance r of the point from the lighter planet where the gravitational force on the projectille is zero ?

A

1.4 R

B

1.8 R

C

1.5 R

D

2.4 R

Text Solution

Verified by Experts

The correct Answer is:
D
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