During a certain comet's orbit around the Sun, its closest distance to the Sun is 0.6 AU, and its farthest distance from the Sun is 35 AU.At what distance will the comet's orbital velocity be the largest?
A) 35 AU
B) 17.8 AU
C) 1.2 AU
D) 0.6 AU
E) The comet's velocity is constant no matter what its distance is.

Question

Quizplus · Accepted Answer

The comet's orbital velocity is largest at its closest distance to the Sun, which is 0.6 AU, due to the conservation of angular momentum and Kepler's laws of planetary motion.

During a Certain Comet's Orbit Around the Sun, Its Closest