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A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.50sin(2(3.14)t), where F is in newtons and t is in seconds. The force constant of the spring is 39.0 N/m
(a) Find the resonance angular frequency of the system.
s-1
(b) Find the angular frequency of the driven system.
(c) Find the amplitude of the motion.
cm
A 30 ohm resistor has a voltage difference of 3 volts across its leads. What is the power being dissapated in the resistor
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Assume that the rod is held at rest horizontally and then released. (Throughout the remainder of this problem, your answer may include the symbol, moment of inertia of the assembly, whether or not you have answered the first part correctly.)
A 0.300 kg ball is thrown vertically upward with an initial speed of 16.0m/s. What is the maximum height reached by the ball
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Two small nonconducting spheres have a total charge of 93.1 ?C. When placed 1.01 m apart, the force each exerts on the other is 11.5 N and is attractive. What is the charge on each?
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