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A Comet Is Observed to Pass 1 ×\times 108 M from the Surface of the Sun

Question 15

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A comet is observed to pass 1.50 ×\times 108 m from the surface of the sun.The sun's radius is 6.96 ×\times 108 m.What is the speed of the comet at this point,if its speed when passing the Earth's orbit,1.50 ×\times 1011 m from the sun's center,is 25km/s?


A) 561 km/s
B) 618 km/s
C) 562 km/s
D) 585 km/s

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