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A series ac circuit contains a 330ohm resistor, a 13.0mH inductor, a 2.50microF capacitor, and an ac power source of voltage amplitude 45.0V operating at an angular frequency of 360rad/s.
A) What is the power factor of this circuit?
B) Find the average power delivered to the entire circuit.
C) What is the average power delivered to the resistor, to the capacitor, and to the inductor?
A satellite is in orbit at a height of 600 km above the Earth's surface. Find the orbital period of the satellite
A small sphere of mass m = 6.10 g and charge q1 = 29.2 nC is attached to the end of a string and hangs vertically. A second charge of equal mass and charge q2 = 58.0 nC is located below the first charge a distance d = 2.00 cm below the first charg..
A block with mass m = 4.6 kg is attached to two springs with spring constants kleft = 37 N/m and kright = 51 N/m. What is the effective spring constant of the two springs
A 1.050 kg air-track glider is attached to each end of the track by two coil springs. Find the effective spring constant of the system
Assuming no heat loss to the surrounding environment, determine the minimum duration of time necessary for a 100 W aquarium tank heater to raise the temperature of 20.0 gallons of water by a difference of 10.0°C.
35mm camera is equipped with a 45 mm focal length lens is used to photograph a tree 15 m tall, what is the aperture diameter
A 13.00 g bullet travelling 236 m/s penetrates a 2 kg block of wood and emerges cleanly at 179 m/s. If the block is stationary on a frictionless surface as hit, how fast does it move after the bullet emerges.
A 5.00-g bullet, traveling horizontally with a velocity of magnitude 490 m/s, is fired into a wooden block with mass 0.800 kg, initially at rest on a level surface. What is the decrease in kinetic energy of the bullet
Light from a sodium lamp with a wavelength in a vacuum of 590 nm enters diamond in which the speed of light is 1.24 108 m/s. What is the wavelength of this light in diamond
A person with a mass of 71.6 kg and a volume of 0.089 m3 floats quietly in water. (a) What is the volume of the person that is above the water?
A refrigerator does 18 kj of work while moving 115 kg of thermal energy from inside the refrigerator. What is its coefficient of performance
A charged line of linear charge density ? has been bent into a circular arc of radius r that makes an angle ? with its center. (A). Find the magnitude of the electric field at the center of this arc. (Does your result make sense, what should it be..
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