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A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.1 x 10-11 F and a variable inductance. If the antenna is intended to broadcast radio signals ranging in frequency from 3.2 MHz to 9.6 MHz, find the
(a) minimum and
(b) maximum inductance of the tank circuit.
Two charged objects experience a mutual repulsive force of N. If the charge of one of the objects is reduced by a factor of and the distance separating the objects is increased by a factor of , what is the new force?
At what height above the surface of the earth does the balloon have a speed of 7-m/s.
Monochromatic light falls on two very narrow slits 0.045 mm apart. Successive fringes on a screen 5.00 m away are 6.2 cm apart near the center of the pattern. estimate the frequency of the light
A small body of mass 0.13 kg is undergoing simple harmonic motion of amplitude 9.0 cm and period 0.10 s. What is the maximum value of the force acting on it? If the oscillations are produced by a spring, what is the spring constant?
A number of people are riding in a hot-air balloon. The combined mass of the people and balloon is 281 kg. The balloon is motionless in the air, since the downward-acting weight of the people and balloon is balanced by an upward-acting 'buoyant' f..
A typical capacitor in an MP3 player has C = 5 ?F. If a charge ±37 ?C is placed on the plates, what is the voltage across the capacitor?
A platinum resistance thermometer has resistances of 190.0 when placed in a 0°C ice bath and 234.8 when immersed in a crucible containing a melting substance. What is the melting point of this substance
Two point charges q and 4q are at x=0 and x=L, respectively, and free to move. A third charge is placed so that the entire three-charge system is in static equilibrium. What is the magnitude of the third charge? What is the x-coordinate of the thi..
how to compute the fraction of silver in the crown.
A 0.60 kg body oscillates on a spring that, when extended 1.0 mm from equilibrium, has a restoring force of 7.0 N. find the angular frequency of oscillation
Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium
A He-Ne laser beam with an intensity of 1.00 103 W/m2 is incident from air to dense flint, Find the intensity of the beam transmitted into the dense flint
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