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justinraja
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What is escape velocity?
Escape velocity is the minimum speed that an object needs to achieve in order to escape the gravitational pull of a celestial body, such as a planet or moon.
Escape velocity can be calculated using the formula v = √(2GM/r), where v is the escape velocity, G is the gravitational constant, M is the mass of the celestial body, and r is the distance from the center of the body to the object.
The main factors that affect escape velocity are the mass and radius of the celestial body. The larger the mass and radius, the higher the escape velocity needed to escape its gravitational pull.
Yes, escape velocity can be exceeded. This is known as hyperbolic excess velocity and occurs when an object has enough speed to escape the gravitational pull of a celestial body and continue on a hyperbolic trajectory into space.
Escape velocity is important because it determines whether an object can leave the gravitational pull of a celestial body. It is crucial for space travel and understanding the dynamics of objects in space.