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Author Question: Three masses are positioned at the following coordinates: 3.0 kg at (3,2); 4.0 kg at (0,-1); and 5.0 ... (Read 84 times)

serike

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on: Jul 27, 2018
Three masses are positioned at the following coordinates: 3.0 kg at (3,2); 4.0 kg at (0,-1); and 5.0 kg at (5,-7). What are the coordinates of the center of mass of the system?
 
  What will be an ideal response?

Question 2

What is the centripetal acceleration of a point on the perimeter of a bicycle wheel of diameter 70. cm when the bike is moving 8.0 m/s?
 
  A) 91 m/s2
  B) 1.8  102 m/s2
  C) 2.7  102 m/s2
  D) 66 m/s2
  E) 2.1  10-2 m/s2


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triiciiaa

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Reply #1 on: Jul 27, 2018
Answer to Question 1

(2.8 , -2.8)

Answer to Question 2

B


serike

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Reply #2 on: Jul 27, 2018
Thank you!


triiciiaa

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Reply #3 on: Jul 27, 2018
Always glad to help...


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