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Author Question: A uniform solid disk is released from rest and rolls without slipping down an inclined plane that ... (Read 149 times)

acc299

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on: Jul 29, 2018
A uniform solid disk is released from rest and rolls without slipping down an inclined plane that makes an angle of 25 with the horizontal. What is the forward speed of the disk after it has rolled 3.0 m, measured along the plane?
 
  A) 2.0 m/s
  B) 3.5 m/s
  C) 4.1 m/s
  D) 5.7 m/s
  E) 6.3 m/s

Question 2

A submarine must travel how fast (with respect to the water) and be pointed in what direction such that it moves 10 m/s directly northward (relative to the earth) if the water moves westward at 5.0 m/s?
 
  What will be an ideal response?


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Jsherida

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

C

Answer to Question 2

11 m/s at 63 north of east


acc299

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Reply 2 on: Jul 29, 2018
Gracias!

6ana001

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Reply 3 on: Yesterday
Excellent

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