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Author Question: A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time ... (Read 214 times)

scienceeasy

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on: Jul 28, 2018
A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = 5 sin (pt + p/3). The phase (in rad) of the motion at t = 2 s is
 a. 7p/3
  b. p/3
  c. p
  d. 5p/3
  e. 2p

Question 2

A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = 5.0 cos (pt). The magnitude of the acceleration (in m/s2) of the body at t = 1.0 s is approximately
 a. 3.5
  b. 49
  c. 14
  d. 43
  e. 4.3


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bblaney

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

A

Answer to Question 2

B


scienceeasy

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Reply 2 on: Jul 28, 2018
Gracias!

yeungji

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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