The escape velocity for a planet is V_e. A particle starts from rest at a large distance from the planet, reaches the planet only under gravitational attraction, and passes through a smooth tunnel through its centre. Its speed at the centre of the planet will be:

The escape velocity for a planet is V_e. A particle starts from rest a

1.	The escape velocity for a planet is V_e. A particle starts from rest at a large distance from the planet, reaches the planet only under gravitational attraction, and passes through a smooth tunnel through its centre. Its speed at the centre of the planet will be:
Answer» `v_(e)` `1.5 v_(e)` `sqrt(1.5)V_(e)` `2V_(e)` ANSWER :C