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Author Question: It is late and Carlos is sliding down a rope from his third-floor window to meet his friend Juan. As ... (Read 94 times)

tsand2

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on: Jul 28, 2018
It is late and Carlos is sliding down a rope from his third-floor window to meet his friend Juan. As he slides down the rope faster and faster, he becomes frightened and grabs harder on the rope, increasing the tension in the rope. As soon as the upward tension in the rope becomes equal to his weight:
 a. Carlos will stop.
  b. Carlos will slow down.
  c. Carlos will continue down at a constant velocity.
  d. the rope must break.

Question 2

Find the tension in an elevator cable if the 1 500-kg elevator is descending with an acceleration of 2.8 m/s2, downward.
 a. 1.9E+4 N
  b. 1.1E+4 N
  c. 4.2E+3 N
  d. 2.7E+1 N
  e. 2.1E+2 N


Jsherida

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

c

Answer to Question 2

b


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