What is the equivalent capacitance of the combination shown?
a.
20 ?F
b.
90 ?F
c.
22 ?F
d.
4.6 ?F
e.
67 ?F
a
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Two masses are connected by a cord that passes over a pulley as shown in the figure. The pulley and cord have negligible mass and 
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(2.0 kg) is suspended vertically. What is the acceleration of 
?
A. 3.9 
B. 12
C. 6.0
D. 4.9
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What will be an ideal response?
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What will be an ideal response?