Friday
March 27, 2015

Homework Help: physics

Posted by taryn on Friday, April 5, 2013 at 11:15pm.

A 2.10 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for one channel) of 7.90 V/m.


(a) What is the intensity of this wave?
W/m2?
(b) What is the power received by the antenna?
W?
(c) If the orbiting satellite broadcasts uniformly over an area of 1.50 1013 m2 (a large fraction of North America), how much power does it radiate?
W?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A 2.10 m diameter university communications satellite dish receives TV...
physics - In a given electromagnetic plane wave the maximumelectric field ...
College Physics - A radio station with a power of 20 kW sends out an ...
physics - A laser emits 1.42 1018 photons per second in a beam of light that has...
physics - A laser emits 1.44*10^18 photons per second in a beam of light that ...
Physics - Any dielectric material other than vacuum has a maximum electric ...
Physics - I don't know how to approach this question... Any dielectric material ...
Math story problem - A satellite dish is shaped like a paraboloid of revolution...
Calculus (math) - A group of engineers is building a parabolic satellite dish ...
physics - Any dielectric material other than vacuum has a maximum electric field...

Members