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Author Question: A girl standing on the ground observes a rocket ship move past her at half the speed of light. ... (Read 31 times)

mrsjacobs44

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  • Posts: 500
on: Jul 29, 2018
A girl standing on the ground observes a rocket ship move past her at half the speed of light. Compared to the rocket's length at rest, she sees the rocket's length as
 
  A) longer.
  B) shorter.
  C) the same length.

Question 2

An astronaut traveling forward at 0.87c holds a meterstick in spear-like fashion. This astronaut sees the spear's length as
 
  A) 0.5 m.
  B) 0.87 m.
  C) 1 m.
  D) 1.25 m.
  E) 1.5 m.


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tmlewis4706

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

Thanks for the answer, I sent you a forum message for another one.

Answer to Question 2

Thanks for sharing, assignments makes me feel like end of world..


mrsjacobs44

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

cpetit11

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Reply 3 on: Yesterday
Gracias!

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