=
=
3
6.0
3 2.0 +
3
= 2.7 10
.
2
22
a
dv
dt
−
F
H
G
I
K
J
−×
ππ
π
bg
b g
cos
m / s
(d) In the second paragraph after Eq. 153, the textbook defines the phase of the motion.
In this case (with
t
= 2.0 s) the phase is 3
π
(2.0) +
π
/3
≈
20 rad.
(e) Comparing with Eq. 153, we see that
ω
= 3
π
rad/s. Therefore,
f
=
/2
π
= 1.5 Hz.
(f) The period is the reciprocal of the frequency:
T
= 1/
f
≈
0.67 s.
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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