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April 18, 2014

Homework Help: Physics

Posted by Alex on Tuesday, June 5, 2012 at 12:11am.

Halley's comet moves about the Sun in a highly elliptical orbit. At its closest approach, it is a distance of 8.90 1010 m from the Sun and has a speed of 54 km/s. When it is farthest from the Sun, the two are separated by 5.30 1012 m. Find the comet's speed at that point in its orbit.

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