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77. Since
T
= 0.500 s, we note that
ω
= 2
π
/
T
= 4
π
rad/s. We work with SI units, so
m
=
0.0500 kg and
v
m
= 0.150 m/s.
(a) Since
=
km
/
, the spring constant is
()
(
)
2
2
4 rad/s
0.0500 kg
7.90 N/m.
ωπ
==
=
(b) We use the relation
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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, Work

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