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An RLC circuit has a resistor of 300 W, a 1.0 µF capacitor, and an inductor of 450 mH connected to an alternate power source with a voltage given by: V = (150 V)sin(2000t), with t in seconds. Calculate:
a. the circuit's impedance
b. the rms current flowing through the circuit
c. the average power dissipated by the circuit
d. the phase angle between the voltage and the current
e. the resonance frequency of the circuit
A car drives straight off the edge of a cliff that is 58 m high. The police at scene of the accident observed that the point of impact is 121m from the base of cliff. How fast was the car traveling when it went over the cliff.
A massless cylinder 49 cm long rests on a horizontal frictionless table. The cylinder is divided into two equal sections by a membrane, How far will the cylinder move if the membrane is removed
A ball is thrown from the top of a building upward at an angle of 39degrees to the horizontal and with an initial speed of 24m/s. The ball is thrown at a height of 57 m above the ground and hits the ground 98.55 m from the base of the building. Wh..
Throughout a nuclear reactor accident, 570 m3 of water at 20o C is pumped into the reactor core which is producing heat at the rate of 250 MW. If the water is allowed to boil at normal atmospheric pressure how long would it take to boil away all this..
A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. What is the acceleration of the rising balloon
One mole of an ideal gas does 1408 J of work on the surroundings as it expands isother- mally to a final pressure of 1.6 atm and vol- ume of 29L. Find out the initial volume.
A playground merry-go-round has radius 2.90m and moment of inertia 2500kg?m2 about a vertical axle through its center, and it turns with negligible friction. How much work did the child do on the merry-go-round
What distance does baseball move before its release
A farsighted man uses eyeglasses with a refractive power of 1.95 diopters. Wearing the glasses 0.02 m from his eyes, What is the correct contact lens prescription, in diopters
IP An rms voltage of 12.5V with a frequency of 1.10kHz is applied to a 0.375?F capacitor. Calculate the current for a frequency of 2.20kHz
A guitar string is 91.00cm long and has a mass of 3.6g. From the bridge to the support post (= L) is 60 cm, and the string is under a tension of 551 N.
The treasure map in the figure gives the following directions to the buried treasure, Which direction should you go to reach the treasure and How far should you go to reach the treasure
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