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Author Question: The innermost satellite of Jupiter orbits the planet with a radius of 422 103 km and a period of ... (Read 160 times)

Pea0909berry

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on: Jul 29, 2018
The innermost satellite of Jupiter orbits the planet with a radius of 422  103 km and a period of 1.77 days. What is the mass of Jupiter? (G = 6.67  10-11 N  m2/kg2 )
 
  A) 1.33  1027 kg
  B) 1.50  1027 kg
  C) 1.72  1027 kg
  D) 1.89  1027 kg
  E) 3.08  1027 kg

Question 2

A starship is constructed to be 100 m long in the factory. It is launched and as it coasts by Earth, it is measured to be shortened to 5.48 m long.
 
  (a) How fast, in terms of the speed of light, is it moving past Earth?
  (b) What length does the ship's crew measure for the ship?


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aham8f

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

D

Answer to Question 2

(a) 0.9985c (b) 100 m


Pea0909berry

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Reply #2 on: Jul 29, 2018
Thank you!


aham8f

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Reply #3 on: Jul 29, 2018
Always glad to help...


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