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 gravitationa 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 gravitationa 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