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Author Question: Jane drove her car from Columbus, Ohio to Cleveland, Ohio. She traveled a total distance of 140 mi ... (Read 126 times)

cartlidgeashley

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on: Jul 28, 2018
Jane drove her car from Columbus, Ohio to
  Cleveland, Ohio. She traveled a total
  distance of 140 mi in 2.8 hours. Her average
  speed was
   
  a) 50 mi/h
  b) 0.02 mi/h
  c) 56 mi/h
  d) 350 mi/h

Question 2

A thin uniform rod (length = 1.2 m, mass = 2.0 kg) is pivoted about a horizontal, frictionless pin through one end of the rod. (The moment of inertia of the rod about this axis is ML2/3.) The rod is released when it makes an angle of 37 with the horizontal. What is the angular acceleration of the rod at the instant it is released?
 a. 9.8 rad/s2
  b. 7.4 rad/s2
  c. 8.4 rad/s2
  d. 5.9 rad/s2
  e. 6.5 rad/s2


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ankilker

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

a

Answer to Question 2

a


cartlidgeashley

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

ghepp

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Reply 3 on: Yesterday
Wow, this really help

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