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Author Question: A wheel rotates about a fixed axis with an initial angular velocity of 20 rad/s. During a 5.0-s ... (Read 395 times)

deesands

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on: Jul 28, 2018
A wheel rotates about a fixed axis with an initial angular velocity of 20 rad/s. During a 5.0-s interval the angular velocity decreases to 10 rad/s. Assume that the angular acceleration is constant during the 5.0-s interval. How many radians does the wheel turn through during the 5.0-s interval?
 a. 95 rad
  b. 85 rad
  c. 65 rad
  d. 75 rad
  e. 125 rad

Question 2

A wheel rotates about a fixed axis with an initial angular velocity of 20 rad/s. During a 5.0-s interval the angular velocity increases to 40 rad/s. Assume that the angular acceleration was constant during the 5.0-s interval. How many revolutions does the wheel turn through during the 5.0-s interval?
 a. 20 rev
  b. 24 rev
  c. 32 rev
  d. 28 rev
  e. 39 rev


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huda

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

D

Answer to Question 2

B


deesands

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Reply 2 on: Jul 28, 2018
Gracias!

Kedrick2014

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Reply 3 on: Yesterday
:D TYSM

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