Two planets of radii in the ratio 2:3 are made from the material of density in the ratio 3:2. Then, the ratio of acceleration due to gravity at the surface of the two planets will be |

Two planets of radii in the ratio 2:3 are made from the material of density in the ratio 3:2. Then, the ratio of acceleration due to gravity at the surface of the two planets will be |

1 Answer

127 votes

The acceleration due to gravity is given by

where is mass, the gravitational constant and the radius.

Since, planets have a spherical shape

127 votes

127