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Author Question: A locomotive is pulling 9 freight cars, each of which is loaded with the same weight. The mass of ... (Read 55 times)

RODY.ELKHALIL

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on: Jul 29, 2018
A locomotive is pulling 9 freight cars, each of which is loaded with the same weight. The mass of each loaded car is 37000kg and we can neglect friction on these 9 cars. If the train is accelerating forward at 0.
 
  81m/s2 on a level track, what is the tension in the coupling between the second and third cars? (The car nearest the locomotive is counted as the first car.)

Question 2

Which of the following is not a wave?
 
  A) light
  B) water flowing down a river
  C) ripples on the surface of a pond
  D) All of these are waves.
  E) None of these are waves.


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AISCAMPING

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

210,000 N

Answer to Question 2

B


RODY.ELKHALIL

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

Jsherida

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Reply 3 on: Yesterday
Gracias!

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