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Author Question: A 300-N sled is pulled up a 28 slope at a constant speed by a force of 250 N. What is the ... (Read 111 times)

formula1

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on: Jul 28, 2018
A 300-N sled is pulled up a 28 slope at a constant speed by a force of 250 N. What is the coefficient of kinetic friction between sled and slope?
 a. 0.21
  b. 0.41
  c. 0.11
  d. 1.55
  e. 2.95

Question 2

A man pulls a sled at a constant velocity across a horizontal snow surface. If a force of 85 N is being applied to the sled rope at an angle of 56 to the ground, what is the force of friction between sled and snow?
 a. 85 N
  b. 70 N
  c. 48 N
  d. 5 N
  e. 43 N


jointhecircus

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

b

Answer to Question 2

c


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