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In an R-L-C series circuit the magnitude of the phase angle is 52.9? with the source voltage lagging the current. The reactance of the capacitor is 360? , and the resistor resistance is 181? . The average power delivered by the source is 147W .
Find the reactance of the inductor.
Find the rms current.
Find the rms voltage of the source.
A resistance of ohms ,an inductive reactance of 8 ohms and capacitive reactance of 15 ohms are connected in parallel across 120V, Find total current , power factor
Mary Healy, the young woman with severe vaginal bleeding, is admitted to emergency room. She is three months pregnant, and physician is concerned about the volume of the blood she is losing.
At t1 = 5.00 s, the acceleration of a particle moving at constant speed in counterclockwise circular motion is a1=(2m/s^2)i + (9m/s^2)j At t2 = 6.00 s (less than one period later), the acceleration is a2= (9m/s^2)i - (2m/s^2)j The period is more t..
Amtrak's 20th-Century Limited is en route from Chicago to New York at 120km/h when the engineer spots a cow on the track. What is the magnitude of the train's acceleration
A magnetic field near the ceiling points up and is decreasing. Looking up at the ceiling, does non-Coulomb electric field curl clockwise or counter-clockwise.
Sarge notices that the cable is susceptible to vibrations. He drives the rope at a frequency such that the center of the span goes through the largest amount of motion. What frequency does Sarge drive the rope at
In a head-on collision, the car stops in 0.279 from a speed of 16. The driver has a mass of 68, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second.
A puck of mass m1 = 63g and radius r1 = 4.30 cm glides across an air table at a speed of = 1.50 m/s. It makes a glancing collision with a second puck of radius r2 = 6.00 cm and mass m2 = 115 g (initially at rest) such that their rims just touch.
A large electromagnet coil is connected to a 118 -Hz ac source. The coil has a resistance 450 ohms, What is the inductance of the coil
what speed does the rock have as it strikes the ground?
Assume that the only force acting on him throughout the collision is that as a result of the ground.
A 950-kg car traveling west at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. Find the speed of the wreckage just after the collision
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