An object stretches a spring
2
inches in equilibrium.
a) Find its displacement for
t
>
0
if it is initially displaced
3
inches above equilibrium and given a downward velocity of
6
ft/s.
y
(
t
)
=
b) State the natural frequency of the oscillation.
\omega
0
=
Correct
rad/s
c) State the period of the oscillation.
T
=
$0.4536$Correct
s
d) State the amplitude of the oscillation.
R
=
Correct
ft
e) State the phase angle of the oscillation. The phase angle should be between
−
\pi
and