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Author Question: A wheel rotating about a fixed axis has an angular position given by q = 3.0 - 2.0t3, where q is ... (Read 19 times)

ashley

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on: Jul 28, 2018
A wheel rotating about a fixed axis has an angular position given by q = 3.0 - 2.0t3, where q is measured in radians and t in seconds. What is the angular acceleration of the wheel at t = 2.0 s?
 a. -1.0 rad/s2
  b. -24 rad/s2
  c. -2.0 rad/s2
  d. -4.0 rad/s2
  e. -3.5 rad/s2

Question 2

At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of -0.40 rad/s2 has an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of the wheel at t = 2.0 s?
 a. 4.9 rad
  b. 4.7 rad
  c. 4.5 rad
  d. 4.3 rad
  e. 4.1 rad


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kilada

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

B

Answer to Question 2

C


ashley

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

lcapri7

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Reply 3 on: Yesterday
Wow, this really help

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