Question

escape velocity defination

Answer 1

escape velocity means a minimum velocity of a big body like earth to escape from its Sun gravity as the revolution through which the sun revolve as the sun inbits gravity through which the Earth revolves from escaping this means of escape velocity

Answer 2

Answer:

More generally, escape velocity is the speed at which the sum of an object's kinetic energy and its gravitational potential energy is equal to zero; an object which has achieved escape velocity is neither on the surface, nor in a closed orbit (of any radius).