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Author Question: A 1000-kg automobile moving with a speed of 24 m/s collides with a 500-kg car initially at rest. If ... (Read 68 times)

nmorano1

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on: Jul 28, 2018
A 1000-kg automobile moving with a speed of 24 m/s collides with a 500-kg car initially at rest. If the two stick together, what is the velocity (in m/s) of the two cars after the collision relative to an automobile moving in the same direction at 15 m/s?
 a. 14
  b. 16
  c. 24
  d. 48
  e. 1.0

Question 2

Other planetary systems are best detected by the Doppler shifts that change the pattern of the star's ______________.
 Fill in the blank(s) with correct word


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emsimon14

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

e

Answer to Question 2

spectrum


nmorano1

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

laurnthompson

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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