Answer to Question #127521 in Classical Mechanics for Ashley

Question #127521

The periodic time of a body executing simple harmonic motion is 4s. After how many intervals from time t=0, its displacement will be half of its amplitude?
1 : 1/2 s
2 : 1/3 s
3 : 1/4 s
4 : 1/6 s

Expert's answer

Answer is option 2

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