1. A parallelplate capacitor has plates of area A and separation 61 and is charged to a
potential difference V0. The charging battery is then disconnected, and the plates are
pulled apart until their separation is 2d. Derive expressions in terms of A, d,

College Physics 2002 EXAM 2 October 21, 2016
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1.
In the25
figure
shown the battery has a potential difference of 20.0 V. The capacitors have the values of :
C1 = C

1. An organ pipe open at both ends has two successive harmonics with frequencies 240
and 280 Hz. (Speed of sound = 340 m/s)
a) What is the length of the pipe? (10 pts.)
. V.
g = H VSWC, : Mg H; 4 = (*0 3: : ASQ :1
2.
C 95 prtsq (31%?)
VSeMmA \ .
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Exam 1
College Physics 2002
Fall Semester 2016
September 23, 2016
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ke = 1/(4J'ueo) = 8.99 x 109 N m2/C2
so = 8.85 x 10'12 C2/N m2
e: 1.6x 1019C
Full credit will only be awarded to answers wit