Answered: Public television station KQEDin San… | bartleby

Related questions

Question

Public television station KQED
in San Francisco broadcasts a sinusoidal radio signal at a power of
777 kW. Assume that the wave spreads out uniformly into a hemisphere
above the ground. At a home 5.00 km away from the antenna, what is the average density of the energy this wave carries?

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A bat flying in a cave emits a sound and receives its echo 0.14 ss later. Find the distance to the wall of the cave.
A carousel that is 6.00m in radius has a pair of 600Hz sirens mounted on posts at opposite ends of a diameter. The carousel rotates with an angular velocity of 0.900rad/s. A stationary listener is located at a distance from the carousel. The longest wavelength reaching the listener from the sirens is closest to
An interface is formed between a block of aluminium (with an acoustic impedance of 1.8 x 107 kg m2 s') and a block of copper (with an acoustic impedance of 4.6 x 107 kg m-2 s-1). Longitudinal sound waves travelling through the aluminium are normally incident on the boundary, and are partially reflected. a) What is the ratio of the amplitude of the reflected wave to that of the incident wave? Number b) What is the ratio of the amplitude of the transmitted wave to that of the incident wave? Number c) What percentage of the incident power is transmitted? Number d) What percentage of the incident power is reflected? Number % Ouit P Sove Questi
Satellite TV is broadcast from satellites that orbit 37,000 km above the earth’s surface. Their antennasbroadcast a 15 kW microwave signal that covers most of North America, an area of about 2.5 × 107km2(a) What is the total power that strikes a 46-cm-diameter ground-based dish antenna? [3](b) The dish antenna focuses the incoming wave to a 1.0 cm2 area. What is the amplitude of theelectric field at this focus? [2]
A 1GHz cosine wave of 1V rms amplitude travels down a transmission line with a propagation velocity of 0.6 times that of free-space and an attenuation of 2dB/m. What is the amplitude and phase of the wave at a distance of 20cm from the source? O 0.955V angle -6.98 rad O 0.955V angle 0.698 rad O 0.955V angle -0.698 rad O 0.912V angle -40 deg O 0.912V angle 40 deg O 0.912V angle -400 deg
A stereo speaker is placed between two observers who are 167 m apart, along the lineconnecting them.If one observer records an intensity level of 58.2 dB, and the other records an intensitylevel of 61.2 dB, how far is the speaker fromthe closer observer?Answer in units of m
A small ship equipped to monitor oceanic weather conditions has a circular radar antenna that radiates at a frequency of 1.65 x 1010 Hz and has a diameter of 2.10 m. How close can two floating weather buoys be and still be detected as two objects, if they are 8.20 km away?