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Author Question: A 60.0-kg mass person wishes to push a 100-kg mass box across a level floor. The coefficient of ... (Read 170 times)

cdr_15

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on: Jul 29, 2018
A 60.0-kg mass person wishes to push a 100-kg mass box across a level floor. The coefficient of static friction between the person's shoes and the floor is 0.700.
 
  What is the maximum coefficient of static friction between the box and the floor such that the person can push horizontally on the box and cause it to start moving?
  A)
 
  0.375
 
  B)
 
  0.600
 
  C)
 
  0.420
 
  D)
 
  0.625
 
  E)
 
  0.700

Question 2

Give at least one example of each of the following: (a) longitudinal standing wave. (b) transverse standing wave.
 
  What will be an ideal response?


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jasonq

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

C

Answer to Question 2

(a) a sound wave in an open ended pipe
(b) vibrating string on a violin


cdr_15

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Reply #2 on: Jul 29, 2018
TY


jasonq

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Reply #3 on: Jul 29, 2018
You're welcome


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