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

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

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - D
`r=(sqrt(4M))/(sqrt(4M)+sqrt(9M))(6R)=2.4R`

6 views Answered 2023-02-05 15:29

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