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Author Question: What is the cosine of 55? A) 0.6 B) 0.57 C) 0.574 D) 0.5736 E) ... (Read 96 times)

urbanoutfitters

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on: Jul 27, 2018
What is the cosine of 55?
 
  A) 0.6
  B) 0.57
  C) 0.574
  D) 0.5736
  E) 0.57360

Question 2

A mountain climber of mass 60. kg slips and falls a distance of 4.0 m, at which time he reaches the end of his elastic safety rope. The rope then stretches an additional 2.0 m before the climber comes to rest.
 
  What is the spring constant of the rope, assuming it obeys Hooke's law?


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HandsomeMarc

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

B

Answer to Question 2

1.8 kN/m


urbanoutfitters

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

brbarasa

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Reply 3 on: Yesterday
Excellent

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