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Superman throws a golf ball horizontally so hard that after a while it hits him in...

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Physics

Superman throws a golf ball horizontally so hard that after awhile it hits him in the back! He concludes correctly that the ballmust have flown once around the Earth! Calculate how long the ballwas in the air. Use that the Moon takes 27.3 days to revolve oncearound Earth and is 380,000 km away from the Earth, while theradius of the Earth is 6370 km.

Start each problem with a SKETCH carefullylabeling all quantities you are going to use. Then write what isGIVEN, what is WANTED, proceed toyour APPROACH, and finish with theSOLUTION.

Answer & Explanation Solved by verified expert
4.3 Ratings (909 Votes)
when an object revolves around earth under the influence ofgravitational field the gravitational force of attraction balancesthe centripetal force When the moon    See Answer
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