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23-01-2024
Physics

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An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of the escape velocity from the earth. The height (h) of the satellite above the earth's surface is (Take radius of earth as Re).
A.h=R²ₑ
B.h=Rₑ
C.h=2Rₑ
D.h=4Rₑ

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