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SHM Displacement
x
=
A
cos
(
ω
t
+
ϕ
)
Position as function of time in SHM.
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Variables
x
Displacement
Position from equilibrium
m
A
Amplitude
Maximum displacement
m
ω
Angular frequency
ω = 2πf
rad/s
t
Time
Time
s
φ
Phase constant
Initial phase
rad
Derivation
Solution to d²x/dt² = -ω²x.
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