Solution Found!
A planet makes a circular orbit with period T around a
Chapter 13, Problem 2DQ(choose chapter or problem)
A planet makes a circular orbit with period T around a star. If it were to orbit, at the same distance, a star with three times the mass of the original star, would the new period (in terms of T) be
(a) 3T,
(b) \(T \sqrt{3}\),
(c) T,
(d) \(T / \sqrt{3}\), or
(e) T / 3
Questions & Answers
QUESTION:
A planet makes a circular orbit with period T around a star. If it were to orbit, at the same distance, a star with three times the mass of the original star, would the new period (in terms of T) be
(a) 3T,
(b) \(T \sqrt{3}\),
(c) T,
(d) \(T / \sqrt{3}\), or
(e) T / 3
ANSWER:Solution 2DQ The time period of orbital revolution of the planet around the star is given by the expression, 2r T = v , where r is the radius of the orbit and v is the orbital speed. GM Orbit