An exoplanet is in an elliptical orbit around a distant star. At its closest approach, the exoplanet is 0.620 AU from the star and has a speed of 54.0 km/s. When the exoplanet is at its farthest distance from the star of 40.0 AU, what is its speed (in km/s)? (1 AU is th average distance from the Earth to the Sun and is equal to 1.496 x 10¹1 m. You may assume that other planets and smaller object the star system exert negligible forces on the exoplanet.) km/s What If? A comet is in a highly elliptical orbit around the same star. The comet's greatest distance from the star is 26,500 times larger than its closest distance to the star. The comet's speed at its greatest distance is 2.60 x 10-² km/s. What is the speed (in km/s) of the comet at its closest approach? km/s
An exoplanet is in an elliptical orbit around a distant star. At its closest approach, the exoplanet is 0.620 AU from the star and has a speed of 54.0 km/s. When the exoplanet is at its farthest distance from the star of 40.0 AU, what is its speed (in km/s)? (1 AU is th average distance from the Earth to the Sun and is equal to 1.496 x 10¹1 m. You may assume that other planets and smaller object the star system exert negligible forces on the exoplanet.) km/s What If? A comet is in a highly elliptical orbit around the same star. The comet's greatest distance from the star is 26,500 times larger than its closest distance to the star. The comet's speed at its greatest distance is 2.60 x 10-² km/s. What is the speed (in km/s) of the comet at its closest approach? km/s
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter7: Gravitation
Section: Chapter Questions
Problem 5STP
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