Posted by : Unknown
Sunday, 23 March 2014
Orbit Velocity and Escape Velocity
If the kinetic energy of an object m1 launched from the a planet of mass M2 were equal in magnitude to the potential energy, then in the absence of friction resistance it could escape from the planet. The escape velocity is given by
To find the orbit velocity for a circular orbit, you can set the gravitational forceequal to the required centripetal force.
Note that the orbit velocity and the escape velocity from that radius are related by
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