Tardigrade
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Tardigrade
Question
Physics
An orbiting satellite has
Q. An orbiting satellite has
2259
220
J & K CET
J & K CET 2011
Gravitation
Report Error
A
only kinetic energy
18%
B
only potential energy
10%
C
kinetic and potential energies
56%
D
zero energy
16%
Solution:
When a satellite revolves around a planet in its orbit, it possesses both potential energy and kinetic energy. Potential energy,
U
=
−
r
GM
m
and kinetic energy,
K
=
2
r
GM
m