What is escape speed. mention its expression?
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Escape speed is the minimum speed needed for an object to escape from the gravitational influence of a massive body.
V = √(2GM/r)
where G is the universal gravitational constant (G ≈ 6.67×10−11 m3·kg−1·s−2),
M the mass of the body to be escaped, and
r the distance from the center of mass of the body to the object
V = √(2GM/r)
where G is the universal gravitational constant (G ≈ 6.67×10−11 m3·kg−1·s−2),
M the mass of the body to be escaped, and
r the distance from the center of mass of the body to the object
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Answer:
Escape speed is the minimum speed with which a mass should be projected from the Earth's surface in order to escape Earth's gravitation field.
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