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Question
A planet in another solar system orbits a star with a mass of 4.0 x1030kg. At one point in its orbit it is 250 x106km from the star and is moving at 35 km/s. Take the universal gravitational constant to be 6.67 x10-11m2/s2.kg and calculate the semimajor axis of the planet's orbit. The result is:
A) 79 x106km
B) 140 x106km
C) 290x106km
D) 320x106km
E) 590x106km
Answer
This answer is hidden. It contains 1 characters.
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