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$The displacement of a particle in simple harmonic motion is given by x = 10 sin (2 t) . What is the angular frequency ω of the motion in rad/s ?$

A. $10$
B. $2$
C. $5$
D. $20$

Show correct answer & step-by-step solution

Correct answer: B — $2$

Solution

The standard equation for simple harmonic motion is x = A sin (ω t) . Comparing this with x = 10 sin (2 t), we find that ω = 2 rad/s .

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