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Author Question: The coefficient of static friction between the tires of a car and the street is s = 0.58 . Of the ... (Read 230 times)

fnuegbu

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on: Jul 28, 2018
The coefficient of static friction between the tires of a car and the street is s = 0.58 . Of the following, what is the steepest inclination angle of a street on which a car can be parked (with wheels locked) without slipping?
 a. 22.5
  c. 38
  b. 30
  d. 45

Question 2

A 200-N crate rests on a ramp; the maximum angle just before it slips is 21 with the horizontal. What is the coefficient of static friction between crate and ramp surfaces?
 a. 0.11
  c. 0.38
  b. 0.21
  d. 0.47


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abctaiwan

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


fnuegbu

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Reply 2 on: Jul 28, 2018
Gracias!

chereeb

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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