Define the term escape velocity . Drive expression for escape velocity of a body from the surface of earth
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Escape Velocity is referred to as the minimum velocity needed by anybody or object to be projected to overcome the gravitational pull of the planet earth. In other words, the minimum velocity that one requires to escape the gravitational field is escape velocity.
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escape velocity is the minimum speed needed for a free, non-propelled object to escape from the gravitational influence of a massive body, that is, to achieve an infinite distance from it. ... Speeds higher than escape velocity have a positive speed at infinity.
Explanation:
Location Relative to System escape, Vte (km/s)
On Venus Venus's gravity 17.8
On Earth Earth's gravity 16.6
On the Moon The Moon's gravity 2.42
On Mars Mars' gravity 11.2
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