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7. (a) The mass
m
corresponds to the inductance, so
m
= 1.25 kg.
(b) The spring constant
k
corresponds to the reciprocal of the capacitance. Since the total
energy is given by
U = Q
2
/2
C
, where
Q
is the maximum charge on the capacitor and
C
is
the capacitance,
C
Q
U
==
×
×
=×
−
−
−
2
6
2
6
3
2
175 10
2 570 10
269 10
C
J
F
ch
c
h
.
.
and
k
=
×
=
−
1
372
3
.m
/
N
N/m
.
(c) The maximum displacement corresponds to the maximum charge, so
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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, Capacitance, Charge, Inductance, Energy, Mass

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