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1 12
21. The equation of a damped simple harmonic motion is
mdx +b ax + kx = 0. Then the angular frequency of
m dt2dt
oscillation is
[J & K CET 2010]
*
(a) = m
() = (he_b"
??
m
4m
52 1/2
k
)
=
(c) @=
m
4m
Pondulum
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