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A television broadcast antenna is located at the top of a steep tall mountain. The television station broadcasts by a power of 4.00 kilowatts at a frequency of 180.0 MHz. (rms= “Root Mean Square"= square root of the average value of a function squared)
1. What is the peak amplitude of the electric field at a receiving antenna located 28.0 km away?
2. What is the maximum RMS voltage generated in a straight wire antenna which is 1.10 m long (also located 28.0km away)?
3. What is the greatest RMS voltage generated in a circular loop antenna which is 12.0 cm in radius (also located28.0 km away)?
A cylindrical bucket, open at the top, is 29.0cm high and 12.0cm in diameter. How High will the water in the bucket rise
In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.4° from a free electron that is initially at rest. Calculate the wavelength of the incident photon
a truck is carrying a steel beam of length 17.0m on a freeway. an accident causes the beam to be dumped off the truck
A train is slowing down from 46 m/s to 12 m/s in 9.0 s. Assume constant acceleration. How far did it travel in this time
The semiconducting compound CdTe is widely used for infrared light emmiting diodes (LEDs). find the frequency of light emitted by a CdTe LED
The drive propeller of a ship starts from rest and accelerates at 3.10 x 10-3 rad/s2 for 2.60 x 103 s. Find the total angular displacement of the propeller
A 36.0 kg uniform beam is attached to a wall with the hinge while its far end is supported by a cable such that the beam is horizontal.
a bullet is fired from a gun whose barrel is 0.600 m long. the bullets mass is 5.00 g and its velocity is 300ms when
One end of a 0.23-m copper rod by a cross-sectional are a of 1.19*10-4 m2 is driven into the enter of a sphere of ice at 0° C (radius = 0.16 m). The portion of the rod that is embedded in the ice is also at 0° C. The rod is horizontal and its other e..
A light ray is directed at the inside of a highly polished silver hemispherical bowl and is incident parallel to the symmetry axis of the bowl. in what direction will it emerge from the bowl
Two point charges are placed on the x-axis. Charge Q1=+3 microC at x==-6cm and charge Q2=+3microC at x=+6cm. Find the magnitude and direction of the total electric field at point P
A 0.078 kilogram mass hangs from a vertical spring. You throw the mass downward. The mass has a velocity of 3.40 m/s. Find how much work was done on the mass by the spring
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