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Question
8 (1 point) An asteroid has an orbital period around the
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sun
of 5.2 years. Using Kepler's third law, how far from the sun is
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this
asteroid?
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a.5.2
AU b.10.4 AU c.27.0 AU d.3.0 AU e.2.3 AU
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Again
on board
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Question 9 (1 point) Newton
concluded that some force had to act
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on
the moon because
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a.the
moon moved at a constant velocity.
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b.a
force is needed to pull the moon outward.
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c.a force is needed to pull the moon away from straight-line
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motion.
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d.a
force is needed to keep the moon in motion.
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e.all
of the above.
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