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Author Question: At what speed would a 100. meter long spaceship appear to be 60. meters long? A) 2.4 103 Km/s ... (Read 157 times)

acc299

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on: Jul 27, 2018
At what speed would a 100. meter long spaceship appear to be 60. meters long?
 
  A) 2.4  103 Km/s
  B) 0.24 m/s
  C) 24. Mm/s
  D) 240. Mm/s
  E) 2.4 Gm/s

Question 2

The antimatter equivalent of an electron is called a
 
  A) positron
  B) antielectron
  C) antipositron
  D) poselectron


sylvia

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


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