A binary star system has two stars, each with the same mass as our sun, separated by 6.00×1011 mm . A comet is very far away and essentially at rest. Slowly but surely, gravity pulls the comet toward the stars. Suppose the comet travels along a straight line that passes through the midpoint between the two stars. What is the comet's speed at the midpoint?

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter7: Gravity
Section: Chapter Questions
Problem 3PQ: For many years, astronomer Percival Lowell searched for a Planet X that might explain some of the...
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A binary star system has two stars, each with the same mass as our sun, separated by 6.00×1011 mm . A comet is very far away and essentially at rest. Slowly but surely, gravity pulls the comet toward the stars. Suppose the comet travels along a straight line that passes through the midpoint between the two stars.

 

What is the comet's speed at the midpoint?

 

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