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Author Question: Consider a deer that runs from point A to point B. The distance the deer runs can be greater than ... (Read 30 times)

Medesa

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on: Jul 29, 2018
Consider a deer that runs from point A to point B. The distance the deer runs can be greater than the magnitude of its displacement, but the magnitude of the displacement can never be greater than the distance it runs.
 
  A) True
  B) False

Question 2

A spaceship visits a star that is 4.5 light-years from Earth, and the spaceship travels at one-half the speed of light for the entire trip.
 
  (a) How long did the trip take according to an observer on Earth?
  (b) How long did the trip take according to an observer on the spaceship?


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Tonyam972

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

A

Answer to Question 2

(a) 9.0 light-years (b) 7.8 years


Medesa

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Reply 2 on: Jul 29, 2018
Wow, this really help

kjohnson

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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