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Author Question: Two particles, A and B, are in uniform circular motion about a common center. The acceleration of ... (Read 56 times)

stephzh

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on: Jul 29, 2018
Two particles, A and B, are in uniform circular motion about a common center. The acceleration of particle A is 8.5 times that of particle B. The period of particle B is 2.0 times the period of particle A.
 
  The ratio of the radius of the motion of particle A to that of particle B is closest to
  A) rA/rB = 2.1.
  B) rA/rB = 4.3.
  C) rA/rB = 18.
  D) rA/rB = 17.
  E) rA/rB = 0.24.

Question 2

A man-made satellite of mass 6105 kg is in orbit around the earth, making one revolution in 430 minutes. What is the magnitude of the gravitational force exerted on the satellite by the earth?
 
  (The mass of the earth is 6.0  1024 kg and G = 6.67  10-11 N  m2/kg2)


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wuly

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

2.5  103 N


stephzh

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Reply 2 on: Jul 29, 2018
Gracias!

jomama

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Reply 3 on: Yesterday
Wow, this really help

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