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Author Question: A 50.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and ... (Read 130 times)

cabate

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on: Jul 29, 2018
A 50.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.300 and the coefficient of kinetic friction is 0.200. What is the friction force on the box if
 
  (a) a horizontal 140-N push is applied to it?
  (b) a horizontal 175-N push is applied to it?
 
  What will be an ideal response?

Question 2

In a shuffleboard game, the puck slides a total of before coming to rest. If the coefficient of kinetic friction between the puck and the horizontal board is 0.28, what was the initial speed of the puck?
 
  A) 8.1 m/s
  B) 29.0 m/s
  C) 6.5 m/s
  D) 7.3 m/s


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robbielu01

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

Answer: (a) 140 N (b) 98.0 N

Answer to Question 2

Answer: A


cabate

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Reply 2 on: Jul 29, 2018
Wow, this really help

lkanara2

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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