There are three planets in circular orbits around a star at a distance a, 9a and 16a respectively. At time t = $t_0$ , the star and the planets are in a straight line. The period of revolution of the closest planet is T. How long after $t_0$ , will they again be in the same line?

Question

There are three planets in circular orbits around a star at a distance a, 9a and 16a respectively. At time t = $t_0$ , the star and the planets are in a straight line. The period of revolution of the closest planet is T. How long after  $t_0$ , will they again be in the same line?

cdquestions Admin · Accepted Answer

The correct option is (C):1728 T

Answer

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There are three planets in circular orbits around a star at a distance a, 9a and 16a respectively. At time t = \(t_0\), the star and the planets are in a straight line. The period of revolution of the closest planet is T. How long after \(t_0\), will they again be in the same line?

The Correct Option is C

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