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Author Question: Somewhere between the Earth and the Moon is a point where the gravitational attraction of the Earth ... (Read 126 times)

craiczarry

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Somewhere between the Earth and the Moon is a point where the gravitational attraction of the Earth is canceled by the gravitational pull of the Moon. The mass of the Moon is 1/81 that of the Earth. How far from the center of the Earth is this point?
 a. 8/9 the way to the Moon
  c. 3/4 the way to the Moon
  b. 9/10 the way to the Moon
  d. 80/81 the way to the Moon

Question 2

An object when orbiting the Earth at a distance of three Earth radii from the center of the Earth has a weight of 2.0 N. What is the object's mass? (g at the surface of the Earth is 9.8 m/s2)
 a. 0.10 kg
  c. 0.92 kg
  b. 1.8 kg
  d. 1.0 kg



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nathang24

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Answer to Question 1

B

Answer to Question 2

B




craiczarry

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it


patma1981

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Reply 3 on: Yesterday
Wow, this really help

 

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