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Author Question: A careful photographic survey of Jupiter's moon Io by the spacecraft Voyager 1 showed active ... (Read 103 times)

bb

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A careful photographic survey of Jupiter's moon Io by the spacecraft Voyager 1 showed active volcanoes spewing liquid sulfur to heights of 60 km above the surface of this moon. If the value of g on Io is 2.0 m/s2, estimate the speed with which the liquid sulfur left the volcano.
 a. 120 m/s
  c. 490 m/s
  b. 240 m/s
  d. 970 m/s

Question 2

A satellite is in a circular orbit about the Earth at a distance of two Earth radii above the surface. What is the speed of the satellite? (The radius of the Earth is 6.4  106 m, and G = 6.67  10-11 N  m2/kg2.)
 a. 2800 m/s
  c. 5600 m/s
  b. 4600 m/s
  d. 16,800 m/s



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bfulkerson77

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Answer to Question 1

C

Answer to Question 2

B





 

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