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Author Question: A wheel (radius = 0.20 m) starts from rest and rotates with a constant angular acceleration of 2.0 ... (Read 285 times)

schs14

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A wheel (radius = 0.20 m) starts from rest and rotates with a constant angular acceleration of 2.0 rad/s2 . At the instant when the angular velocity is equal to 1.2 rad/s, what is the magnitude of the total linear acceleration of a point on the rim of the wheel?
 a. 0.40 m/s2
  b. 0.29 m/s2
  c. 0.69 m/s2
  d. 0.49 m/s2
  e. 0.35 m/s2

Question 2

A cylinder rotating about its axis with a constant angular acceleration of 1.6 rad/s2 starts from rest at t = 0 . At the instant when it has turned through 0.40 radian, what is the magnitude of the total linear acceleration of a point on the rim (radius = 13 cm)?
 a. 0.31 m/s2
  b. 0.27 m/s2
  c. 0.35 m/s2
  d. 0.39 m/s2
  e. 0.45 m/s2



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onowka

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Answer to Question 1

D

Answer to Question 2

B





 

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