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Author Question: An Earth observer sees a spaceship at an altitude of 980 m moving downward toward the Earth at a ... (Read 139 times)

skymedlock

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on: Jul 28, 2018
An Earth observer sees a spaceship at an altitude of 980 m moving downward toward the Earth at a speed of 0.600c. What is the spaceship's altitude as measured by an observer in the spaceship?
 a. 588 m
  c. 1630 m
  b. 784 m
  d. 1270 m

Question 2

A rocket ship is 74.0 m in length when measured before leaving the launching pad. What would its velocity be if a ground observer measured its length as 60.0 m while it is in flight? (c = 3.00  108 m/s)
 a. 1.76  108 m/s
  c. 1.98  108 m/s
  b. 0.980  108 m/s
  d. 1.15  108 m/s


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AmberC1996

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

B

Answer to Question 2

A


skymedlock

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Reply 2 on: Jul 28, 2018
Excellent

dyrone

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Reply 3 on: Yesterday
:D TYSM

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