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JAMB Physics 2015 Objective — Question 1

Question 1 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2015 Objective paper, with the correct answer and a full explanation.

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A satellite moves in a circular orbit of radius 4R round the earth. The acceleration of the satellite in terms of g is

  • A. g/4
  • B. g/8
  • C. g/12
  • D. g/16Correct

Explanation

Gravitational acceleration varies as 1/r². g' = g×R²/(4R)² = g/16.

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