A body revolves around a star of mass M along an elliptic orbit. At the moment when its distance to the star r is minimal its velocity is v. Find the ratio of this minor, b, and major, a, semi axes of this orbit. What is the value if M = 2 x 1030kg, r = 6 x 1010m and v = 6.3 x 104 m ? Select one: а. 1.47 cross out b. 1.34 cross out C. 0.0075 cross out d. 0.62 cross out е. 1.99 cross out
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