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An ac generator with a frequency of 135Hz and an rms voltage of 20.5V is connected in series with a 11.0 kOhms resistor and a 0.260 uF capacitor
What is the rms current in this circuit?
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. determine the temperature of the outlet air
A television is tuned to a station broadcasting at a frequency of 6.30×10^7Hz. Find the optimum length of the antenna
Establish the average net force
Suppose there are two concentric thin walled conducting spheres, the inner one of radius 10 cm and the outer one of radius 12 cm. If the inner one has a charge of 2.2 C and the outer one has -2.2 C, what is the E field at a point 11 cm from the ce..
Suppose 28.5 kg of 87.5°C water is placed in contact with 28.5 kg of 11°C water. What is the change in heat (in J) of the hot water
In a certain region, the earth's magnetic field has a magnitude of 5.4 × 10-5 T and is directed north at an angle of 49° below the horizontal. Determine the bullet's electric charge
Light of wavelength 653.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 83.5 cm from the slit. obtain the width of the slit
The windpipe of a typical whooping crane is about 4.5 feet long. What is the lowest resonant frequency of this pipe
A 2.00m -long, 550g rope pulls a 13.0kg block of ice across a horizontal, frictionless surface. The block accelerates at 2.20m/s2 . How much force pulls forward on (a) the ice, (b) the rope?
In the days of horse-drawn wagons, iron tires used to be placed on wooden wagon wheels by heating the iron rims, what diameter will the tire have when it is heated to 680 oC
a 250 kg merry-go-round is a solid disc with a radius of 1m when a 40 kg child sits at the center the angular speed is 6 rev/s
A 6 m board of mass 5 kg is hinged at one end, with a 60 kg block nesting on the board 202 cm from the hinge. Find the force exerted by the hinge at this angle
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