First slide

Simple hormonic motion

Question

A simple harmonic oscillation has got a displacement 0.02 m and acceleration 2.0 m/s² at any time. The angular frequency of the motion is:

Easy

A

10 rad/s
B

0.1 rad/s
C

100 rad/s
D

1 rad/s

Solution

$a = ω^{2} x \Rightarrow ω = \sqrt{\frac{q}{x}} = \sqrt{\frac{2}{0.02}} = 10 rad / s$

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