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Homework Statement
A space probe is launched from the equator in the direction of the north pole of the Earth. During launch the energy given to the probe of mass m is
E=(3GMm/R)
Deduce that the Space probe will not be able to travel into deep space
Homework Equations
Minimum KE needed = - GMm/R
The Attempt at a Solution
I said that if minimum KE was as above then having three times that would mean that it would escape but the answer is that it won't so I'm puzzled? How do I deduce that it won't escape if it has 3 times the energy E=(3GMm/R)
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