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Author Question: The circumference of a bicycle wheel is 2 meters. If it rotates at 1 revolution per second then its ... (Read 122 times)

gonzo233

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on: Jul 29, 2018
The circumference of a bicycle wheel is 2 meters. If it rotates at 1 revolution per second then its linear speed is
 
  A) 1 m/s.
  B) 2 m/s.
  C) 3 m/s.
  D) 3.14 m/s.
  E) 6.28 m/s.

Question 2

When railroad tracks make a curve, the outer track is longer. This means a wheel that rides on the outer track needs to somehow
 
  A) roll slower than the wheel on the inner track.
  B) maintain the same speed as the wheel on the inner track.
  C) roll faster than the wheel on the inner track.


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trog

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

Answer: B

Answer to Question 2

Answer: C


gonzo233

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Reply 2 on: Jul 29, 2018
Excellent

gcook

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Reply 3 on: Yesterday
Gracias!

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