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A 0.196-µF capacitor is connected to a 246-V rms ac source at 44.5 Hz.
(a) Find the reactance of the capacitor.
(b) What is the rms current through the capacitor?
What is the net force exerted by these two charges on the third charge = 46.5 placed between and at = -1.235 ? Your answer may be positive or negative, depending on direction of the force.
An airplane maintains a speed of 573 km/h relative to the air it is flying through as it makes a trip to a city 689 km away to the north. What time interval is required for the trip if the plane flies through a headwind blowing at 38.1 km/h toward t..
Their motions have equal periods, but the radius of skater A's circle is half that of skater B's circle. Evaluate the ratio of the magnitudes of the forces acting on each skater?
An Olympic skier whose mass is 50 kg is moving at 25 m/s down a 20degree slope encounters a region of wet snow of coefficient of frictio Uk=0.55 which reduces her speed. Find the acceleration of the skier
A dentist uses a small mirror of radius 55 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 20 mm from the tooth, what is the magnification of image.
A projectile is fired at an upward angle of 45° from the top of a 212 m cliff with a speed of 161 m/s. What would be its speed while it strikes the ground below.
One average force F1 has a magnitude that is three times as large as that of another force F2. Both forces produce the similar impulse. The average force F1 acts for a time interval of 1.77ms. for what time interval does the average force F2 act.
A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in all directions. The intensity of the sound is 2.30 10-6 W/m2 at a distance of 110 m from the explosion. Find the distance from the source at which the int..
A 120-V motor has mechanical power output of 3.00 hp. It is 88.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
Capacitors C1 = 5.60 µF and C2 = 2.45 µF are charged as a parallel combination across a 250 V battery, Calculate the resulting charge on each capacitor
What is the peak emf of the generator when its coil rotates at a frequency of 50 Hz? Find out the frequency of the coil's rotation when the peak emf of the generator is 163 V.
In the Biomedical and Physical Sciences building at MSU there are 127 steps from the ground floor to the sixth floor. How much work did the person do
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