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Physics
Physics
Problem
Which one of the following correctly gives the acceleration
a
a
a
of a particle executing simple harmonic motion in terms of its instantaneous displacement
x
x
x
from the mean position and angular frequency
ω
\omega
ω
? a)
a
=
−
2
ω
2
x
a = -2\,\omega^{2}x
a
=
−
2
ω
2
x
b)
a
=
−
ω
2
x
a = -\omega^{2}x
a
=
−
ω
2
x
c)
a
=
+
ω
2
x
a = +\omega^{2}x
a
=
+
ω
2
x
d)
a
=
−
ω
2
A
a = -\omega^{2}A
a
=
−
ω
2
A
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