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Home Q & A Board Science-Related Homework Help Physics
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ppk ppk
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12 years ago
Halley's comet has an elliptical orbit around the Sun with a period of 76.0 years. At its closest approach (perihelion) it is  8.82 × 1010 m from the Sun and has a speed of  54.6 km/s. How fast is it moving at its furthest point from the Sun (aphelion)? The mass of the Sun is 2.00 × 1030 kg and G = 6.67 x 10-11 N•m2/kg2.
A) 604 m/s
B) 802 m/s
C) 1070 m/s
D) 1540 m/s
E) 1860 m/s
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duddyduddy
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