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Author Question: A uniform rope hangs from a ceiling. Without tugging on the rope, you give the bottom of the rope a ... (Read 134 times)

tingc95

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on: Jul 29, 2018
A uniform rope hangs from a ceiling. Without tugging on the rope, you give the bottom of the rope a wiggle and a wave travels upward along the rope. What can you say about the speed of the wave as the wave travels up the rope?
 
  What will be an ideal response?

Question 2

A car is traveling at 30.0 m/s when the driver suddenly applies the brakes, giving the car a constant deceleration.
 
  The car comes to a stop in a distance of 120.0 m. What was the deceleration of the car?
  A) 3.75 m/s2
  B) 4.00 m/s2
  C) 4.25 m/s2
  D) 4.50 m/s2
  E) 4.75 m/s2


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soda0602

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

The speed increases because the tension is increasing.

Answer to Question 2

A


tingc95

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

abro1885

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Reply 3 on: Yesterday
Excellent

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