1.

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?

A. <sup>1</sup> <sub>2</sub> s
B. 1/3 s
C. <sup>1</sup> <sub>4</sub> s
D. 1/6 s
Answer» C. <sup>1</sup> <sub>4</sub> s


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