Question

What is escape velocity its formula ?​

Answer 1

Escape velocity is the minimum velocity required by a body to be projected to overcome the gravitational pull of the earth. It is the minimum velocity required by an object to escape the gravitational field that is, escape the land without ever falling back. An object that has this velocity at the earth’s surface will totally escape the earth’s gravitational field ignoring the losses due to the atmosphere

Escape velocity formula

Where,

V is the escape velocity

G is the gravitational constant is 6.67408 × 10-11 m3 kg-1 s-2

M is the mass of the planet

R is the radius from the center of gravity

An alternative expression for the escape velocity particularly useful at the surface on the body is

Answer 2

Explanation:

Formula

$ve = \sqrt{ \frac{2gm}{r} }$

ve = 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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