what is escape velocity.. nd its formula.
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In physics, escape velocity is the minimum speed needed for a free object to escape from the gravitational influence of a massive body. It is slower the further away from the body an object is, and slower for less massive bodies. The escape velocity from Earth is about 11.186 km/s at the surface.
The formula for escape velocity contains a constant, G, which is called the "universal gravitational constant". Its value is . The unit for escape velocity is meters per second (m/s).
The formula for escape velocity contains a constant, G, which is called the "universal gravitational constant". Its value is . The unit for escape velocity is meters per second (m/s).
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