What is escape velocity its formula ?
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The lowest velocity which a body must have in order to escape the gravitational attraction of a particular planet or other object.
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Escape Velocity;
Escape velocity refers to the minimum velocity which is needed to leave a planet or moon. ... The formula for escape velocity comprises of a constant, G, which we refer to as the universal gravitational constant.
The value of it is = 6.673 × 10-11 N . m2 / kg2.
Explanation:
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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