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Author Question: An object oscillates such that its position x as a function of time t obeys the equation x = (0.222 ... (Read 113 times)

jilianpiloj

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An object oscillates such that its position x as a function of time t obeys the equation x = (0.222 m) sin(314 s-1 t), where t is in seconds.
 
  (a) In one period, what total distance does the object move?
  (b) What is the frequency of the motion?
  (c) What is the position of the object when t = 1.00 s?

Question 2

A string is wound tightly around a fixed pulley having a radius of 5.0 cm. As the string is pulled, the pulley rotates without any slipping of the string. What is the angular speed of the pulley when the string is moving at 5.0 m/s?
 
  A) 100 rad/s
  B) 50 rad/s
  C) 25 rad/s
  D) 20 rad/s
  E) 10 rad/s


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britb2u

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jilianpiloj

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Both answers were spot on, thank you once again




 

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