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When a resistor is connected across the terminals of an acgenerator (101 V) that has a fixedfrequency, there is a current of 0.550 A in the resistor. When an inductor isconnected across the terminals of this same generator, there is acurrent of 0.420 A in theinductor. When both the resistor and the inductor are connected inseries between the terminals of this generator, calculate thefollowing.a) the impedance of the series combinationb) the phase angle between the current and the voltage of the generator.
It is determined by immersing a crown in water that its volume is 26inc^3=4.2x10^-4m^3. What would its weight be if it were made of pure gold
five thousand joules of heat is put into a carnot engine whose hot and cold reservoirs have temperatures of 490 and 270
what diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire
A 0.283-m-thick sheet of ice covers a lake. The air temperature at the ice surface is -17.7 °C. calculate the number of millimeters by which the ice thickens
What focal length does the lens need. how many meters will the car have moved before it begins to slow down.
A hunter aims directly at a target (on the same level) 84.2m. If the bullet leaves the gun at a speed of 193 m/s, by how much will it miss the target.
the specific heat of a 96 g block of material is to be determined. the block is placed in a 25 g copper calorimeter
A 55 kg person running horizontally jumps into a 15 kg sled that is initially at rest. The velocity of the person and the sled as they move is 2.5 m/s. What is the velocity of the person before he jumped into the sled? What is the kinetic energy o..
Suppose the mirror is convex. The distance between the image and the object is the same as in part (a), but the image is 0.500 the size of the object. Determine the focal length of the mirror
Given: G = 6.67259 × 10^?11 Nm2/kg2 Voyagers 1 and 2 surveyed the surface of Jupiter's moon Io, Estimate the speed with which the liquid sulfur left the volcano
A vacuum cleaner is plugged into a 120.0-V socket and uses 4.4 A ofcurrent in normal operation when the back emf generated by the electric motor is 77.8 V. Find the coil resistance of the motor.
In tae-kwon-do, a hand is slammed down onto a target at a speed of 13 m/s and comes to a stop during the 7.0 ms collision. What are the magnitudes of the impulse
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