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A 100 Ω resistor is connected to a 220 V, 50 Hz ac supply.
(a) What is the rms value of current in the circuit?
(b) What is the net power consumed over a full cycle?
The current through B is found to be 1.0 A. When the two resistors are connected in series to the 9.0 V battery, a voltmeter connected across resistor A measures a voltage of 2.0 V. Find the resistances A and B.
A series AC circuit contains a 159 ? resistor, a 360 mH inductor, a 2.4 µF capacitor, and a generator with maximum voltage of 240 V operating at 50 Hz. Calculate the inductive reactance
A heat engine takes in 126 kJ of heat from a reservoir at 820 K and exhausts 88 kJ to a reservoir at 292 K. What is the efficiency of an ideal engine operating between the same two reservoirs
an object falls freely from height h. it is released at time zero and strikes the ground at time t.a when the object is
A diagnostic ultrasound echo is reflected from moving blood and returns with a frequency 314 Hz higher than its original 2.00 MHz. What is the velocity of the blood
A 3.00 kg block starts from rest at the top of a 29.5° incline and slides 2.00 m down the incline in 1.25 s. Find the frictional force acting on the block
The link between portfolio level objectives with portfolio success factors that are achieved through individual projects and points out how contributes to strategic fit, use of synergies, etc.
During an all-night cram session, a student heats up a one-half liter (0.50E-3 m^3) glass (Pyrex) beaker of cold coffee. How much coffee (in cubic meters) has spilled out of the beaker
Monochromatic light of wavelength 683 nm passes through a fast shutter that opens for 10^(-10) s. The light the emerges will no longer be monochromatic. What will be the spread of the wavelengths?
A grandfather clock is controlled by a swinging brass pendulum thatis 1.0 m long at a temperature of30.°C. What is the length of the pendulum rod when the temperature drops to 0.0°C
A38.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of20.0m. What force does the seat exert on the child at the highest point of the ride
An object is shot horizontally with an initial speed of \(v_o\) meters per second. If it can fall a vertical distance h before hitting the ground, how far can it move in the horizontal direction
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