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Author Question: A meterstick is shot from a meterstick projector at a speed of 0.90 c. How long will it be relative ... (Read 61 times)

javeds

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on: Jul 28, 2018
A meterstick is shot from a meterstick projector at a speed of 0.90 c. How long will it be relative to an observer's frame of reference?
 a. 2.3 m
  b. 0.91 m
  c. 1.0 m
  d. 0.44 m
  e. 0.81 m

Question 2

A jet plane travels around the world at 2 000 mi/hr (894 m/s). Two accurate atomic clocks measure the times of flight, one on board the plane and the second on Earth. If it takes 12 hours to complete the journey, what will the time difference (in ms) be?
 a. 0.75
  b. 0.50
  c. 0.25
  d. 1.0
  e. 0.19


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Joy Chen

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

E


javeds

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Reply 2 on: Jul 28, 2018
Gracias!

duy1981999

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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