Escape Velocity
If the
kinetic energy
of an object launched from the Earth were equal in magnitude to the
potential energy
, then in the absence of friction resistance it could escape from the Earth.
Escape velocity from the Earth
If M =
M
Earth
and r =
r
Earth
then v
escape
=
m/s
v
escape
=
km/hr
v
escape
=
mi/hr
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