Periodic Motion and Mechanical Waves (4A)
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QUESTION
State the period of a mass-spring oscillator in terms of mass
m
m
m
and spring constant
k
k
k
.
QUESTION
What physical property of the medium determines wave speed, and what property does not determine it?
QUESTION
State the SHM relation between acceleration and displacement for a mass on a spring.
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ANSWER
a
=
−
ω
2
x
a=-\omega^2 x
a
=
−
ω
2
x
. In SHM, acceleration is proportional to negative displacement, with
ω
2
\omega^2
ω
2
as the constant from restoring force dynamics.
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