A planet orbits a star in an elliptical orbit. At its farthest point its center is 200,000,000 km from the center of star. At its closest point its center is 100,000,000 km from the center of of the star. How does the orbital speed of the planet when it is at its closest point compare to the orbital speed of the planet when it is at its farthest point? a-The speeds are the same. b-it goes at less than half the speed at the closest point. c-It goes slower at the closest point, but faster than half as fast. d-It goes twice as fast at the closest point. e-It goes faster at the closest point, but less than twice as fast. f-It goes half as fast at the closest point. g-It goes more than twice as fast at the closest point.
A planet orbits a star in an elliptical orbit. At its farthest point its center is 200,000,000 km from the center of star. At its closest point its center is 100,000,000 km from the center of of the star. How does the orbital speed of the planet when it is at its closest point compare to the orbital speed of the planet when it is at its farthest point? a-The speeds are the same. b-it goes at less than half the speed at the closest point. c-It goes slower at the closest point, but faster than half as fast. d-It goes twice as fast at the closest point. e-It goes faster at the closest point, but less than twice as fast. f-It goes half as fast at the closest point. g-It goes more than twice as fast at the closest point.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A planet orbits a star in an elliptical orbit. At its farthest point its center is 200,000,000 km from the center of star. At its closest point its center is 100,000,000 km from the center of of the star. How does the orbital speed of the planet when it is at its closest point compare to the orbital speed of the planet when it is at its farthest point?
a-The speeds are the same.
b-it goes at less than half the speed at the closest point.
c-It goes slower at the closest point, but faster than half as fast.
d-It goes twice as fast at the closest point.
e-It goes faster at the closest point, but less than twice as fast.
f-It goes half as fast at the closest point.
g-It goes more than twice as fast at the closest point.
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