Questions
For a satellite moving in an orbit around the earth, the ratio of kinetic energy to the magnitude of potential energy is
a
1/2
b
12
c
2
d
2
detailed solution
Correct option is B
The kinetic energy of a satellite moving in an orbit around the earth is given byK=12mv2=12mGMror =GMm2r……….(1)The potential energy of satellite and earth systemU=GMmr………….(2)where r is the distance of the satellite from the centre of the earthKU=GMm/2rGMm/r=12Talk to our academic expert!
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