Question:

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's surface. The height of the satellite above the earth's surface is [R = Radius of the earth]

  • 2R
  • 3/2 R
  • R/2
  • R
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The Correct Option is D

Solution and Explanation

The correct option is (D): R
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