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An inductor and a resistor are connected in series. When connected to a 60 Hz, 90 V (rms) source, the voltage drop across the resistor is found to be 55 V (rms) and the power delivered to the circuit is 13 W.
1) Find the resistance.
2) Find the inductance.
Two loudspeakers emit 500Hz notes. One speaker sits on the ground. The other speaker is in the back of a pickup truck, What is the truck's speed
A long horizontal wire carries a current of 48 {rm A}. A second wire, made of 2.6 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 {rm cm} below. Examine the magnitude of the current in the lower wire.
a beam of light enters a piece of zircon at an angle of incidence of 30 degrees. what is the angle of refraction in the zircon
You are given a charged metal sphere mounted to an insulating post. You have two other identical but uncharged spheres on their own similar insulating posts. Explain the procedure to give the two uncharged spheres each a roughly equal but opposite..
In each cycle of its operation, a refrigerator removes 8 J of heat from the inside of the refrigerator and releases 22 J of heat into the room. How much work per cycle is necessary to operate this refrigerator.
Briefly and clearly explain the concept of Inertia held by; Galilio, Kepler, and Descartes. Make sure that your description clarify how these postions differ from one another
Coherent light with wavelength 599 passes through two very narrow slits, and the interference pattern is observed on the screen a distance of 3.00 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central b..
A body oscillates with simple harmonic motion according to x = (8.5 m) cos[(5.0pi rad/s)t + pi/3 rad]. What is the phase of the motion
A mass of 10-KG accelerates along a straight line from a speedof 54 KM/hr to 108 KM/hr in 5 minutes. Find the force acting on this mass
A Bullet of mass 14g strikes a block of mass 1.2kg, which is at rest on a horizontal frictionless surface and is attached to a coil spring shown. Find the velocity of the block just after impact
The average density of a fish can be found by first weighing it in air and then finding the scale reading for the fish completely immersed in water, what is the average density of the fish
what is the distance of closest approach of the two particles. explain two ways in which you could you this equipment to raise the crate.
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