Question

define Escape velocity​

Answer 1

Answer:

In physics, escape velocity is the minimum speed needed for a free, non-propelled object to escape from the gravitational influence of a massive body, thus reaching an infinite distance from it. Escape velocity rises with the body's mass and falls with the escaping object's distance from its center.

Formula

v_e= \sqrt {\frac {2GM}{r}}

v_e = escape velocity

G = universal gravitational constant

M = mass of the body to be escaped from

r = distance from the center of the mass

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Answer 2

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Explanation:

In physics, escape velocity is the minimum speed needed for a free, non-propelled object to escape from the gravitational influence of a massive body, thus reaching an infinite distance from it. Escape velocity rises with the body's mass and falls with the escaping object's distance from its center.