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63. (a) We consider conservation of angular momentum (Eq. 1133) about the center of
the rod:
2
1
0
12
if
L
L
dmv
ML
ω
=
¡
−+
=
where negative is used for “clockwise.” Item (
e
) in Table 112 and Eq. 1121 (with
r
⊥
=
d
)
have also been used.
This leads to
d
=
ML
2
ω
12
m
v
=
M
(0.60 m)
2
(80 rad/s)
12(
M/
3)(40 m/s)
=
0.180 m .
(b) Increasing
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Angular Momentum, Momentum

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