A spaceship takes a nonstop journey to a planet and returns in 10 ...

[CORALGRILL2014]

A spaceship takes a nonstop journey to a planet and returns in 10 hours according to a clock on the spaceship. If the speed of the spaceship is 0.80c, how much time has elapsed on the Earth?
 
  A)
 
  3.2 h
  B)
 
  7.0 h
  C)
 
  15 h
  D)
 
  17 h
  E)
 
  19 h

Question 2

If the absolute value of the magnification is larger than one, then the image is
 
  A)
 
  larger than the object.
  B)
 
  the same size as the object.
  C)
 
  smaller than the object.

[LegendaryAnswers]

Answer to Question 1

D

Answer to Question 2

A

[CORALGRILL2014]

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