InterviewSolution
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InterviewSolution
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An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the escape velocity from the earth of radius R. The height of the satellite above the surface of the earth isA. RB. R/2C. 3 RD. 6 R |
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Answer» Correct Answer - a `v_(c)=(1)/(2)v_(e)` `sqrt((GM)/(R+h))=(1)/(2)sqrt((2GM)/(R))` `(GM)/(R+h)=(1)/(4)xx(2GM)/(R)` `R+h=2R` `h=2R-R=R.` |
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