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Author Question: Severe, long-term cooling periods during the Earth's history are known as A) snowball Earth B) ... (Read 68 times)

swpotter12

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on: Jul 27, 2018
Severe, long-term cooling periods during the Earth's history are known as
 
  A) snowball Earth
  B) ice storms
  C) ice ages
  D) nuclear winters

Question 2

A person in a rocket ship traveling past the earth at a speed of 0.500c fires a laser gun in the forward direction. With what speed does an observer on Earth see the light pulse travel?
 
  What will be an ideal response?


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jliusyl

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

A

Answer to Question 2

c = 3.00  108 m/s


swpotter12

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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