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Author Question: A string is attached to the ceiling. At the bottom of the string a rope of the same length as the ... (Read 124 times)

Mimi

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on: Jul 28, 2018
A string is attached to the ceiling. At the bottom of the string a rope of the same length as the string is attached. In the rope-string system, which of the following is the position of greatest tension? Assume the rope has more mass per unit length than the string.
 a. at the bottom of the rope
  b. at the top of the rope where it is attached to the string
  c. at the bottom of the string where it is attached to the rope
  d. at the top of the string

Question 2

Find the tension in an elevator cable if the 1000-kg elevator is ascending with an acceleration of 1.2 m/s2, upward.
 a. 11,000 N
  c. 8600 N
  b. 9800 N
  d. 1200 N


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Tonny

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

D

Answer to Question 2

A


Mimi

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Reply 2 on: Jul 28, 2018
Gracias!

raili21

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Reply 3 on: Yesterday
Excellent

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