A planet has twice the radius but the mean density is as comparsed to earth.What is the ratio of escape velocity from earth to that from the planet? |
|||||||

a) |
3:1 |
b) |
1:2 |
c) |
1:1 |
d) |
2:1 |

A planet has twice the radius but the mean density is as comparsed to earth.What is the ratio of escape velocity from earth to that from the planet? |
|||||||

a) |
3:1 |
b) |
1:2 |
c) |
1:1 |
d) |
2:1 |

1 Answer

127 votes

The maximum velocity with which a body must be projected in the atmosphere, so as to enable it to just overcome the gravitational pull, is known as escape velocity. Escape velocity from earth’s surface is similarly, for a planet |

127 votes

127