Determine the comet speed

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Comets move around the sun in very elliptical orbits. At its closest approach, in 1986, Comet Halley was 8.79 x 107 kilometer from the sun and moving with a speed of 54.5 km/s.

Part A. Determine  the comet speed when it crossed Neptune orbit in 2006?

Reference no: EM13686366

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