Question

what is escape velocity​

Answer 1

Answer:

Escape velocity is the minimum velocity at which a body needs to escape from the gravitational influence.

Escape velocity of earth is 11.2km/s

That means if you throw a ball upwards with minimum speed of 11.2km/s then the ball will not come back and will enter the space.

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Answer 2

Answer:

the minimum initial velocity needed by an object to overcome earth's gravitational force and not to fall back again on earth is call escape velocity