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In a series R-L-C circuit, the phase angle is 40.0, with the source voltage leading the current. The reactance of the capacitor is 400 and the resistance of the resistor is 200 . The average power delivered by the source is 150 .
A) Find the reactance of the inductor.
B) Find the rms current.
C) Find the rms voltage of the source.
A fireman d = 49.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of ?i = 27.0° above the horizontal, at what height will the stream of water strike the building
a harvest mouse can detect sounds as quiet as -10 dB. suppose you are sitting in a field on a very quiet day while a harvest mouse sits nearby at the entrence to its nest, How far is the harvest mouse from the leaf
After 12.6 s, a spinning roulette wheel has slowed down to an angular velocity of 2.82 rad/s. Determine the angular displacement of the wheel
Sand from a stationary hopper falls onto a moving conveyor belt at the rate of dm/dt = 5 kg/s as shown. The conveyor belt is supported by frictionless rollers, Find the force of friction exerted by the belt on the sand
A small sphere that carries a charge of 6.35 ?C is whirled in a circle at the end of an insulating string. What average current does this rotating charge represent
The drawing shows a block at rest on an incline. What is the static frictional force that acts on the block
Object O1 is 14.7 cm to the left of a converging lens with a 12.0-cm focal length. What is the focal length of the second lens
An eyepiece of 2.1- cm focal length and an objective of 0.34- cm focal length are used in a standard microscope. What power should be marked on the eyepiece
A skier moving at 4.50 m/s encounters a long, rough horizontal patch of snow having coefficient of kinetic friction 0.230 with her skis. How far does she travel on this patch before stopping.
In an experiment, 200 g of aluminum (with a specific heat of 900 J/kg·K) at 100°C is mixed with 48.0 g of water (4186 J/kg·K) at 20°C, What is the entropy change of the aluminum
Using a vernier caliper of least count 0.01 cm, the length of a cylinder is measured to be 3.76 cm, and its diameter 1.28 cm. 1-Find the volume of the cylinder. 2-Calculate the probable percent error in the length. 3-Calculate the probable percent..
Water is contained in a closed, rigid, 0.25 m3 tank at an initial pressure of 5 bar and a quality of 60%. Determine the final mass of vapor in the tank
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