Physics
Physics, 05.07.2019 18:20, jermiahj55

An 800-khz radio signal is detected at a point 8.5 km distant from a transmitter tower. the electric field amplitude of the signal at that point is 0.90 v/m. assume that the signal power is radiated uniformly in all directions and that radio waves incident upon the ground are completely absorbed. what is the average electromagnetic energy density at that point? (c=3.0×108m/s, μ0=4π×10−7t⋅m/a, ε0=8.85×10−12c2/n⋅m2)

answer
Answers: 3

Other questions on the subject: Physics

image
Physics, 21.06.2019 23:00, micahwilkerson9495
Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.
Answers: 1
image
Physics, 22.06.2019 16:50, Walkman2092
Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.
Answers: 2
image
Physics, 22.06.2019 22:30, murtaghliam1
The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s
Answers: 2
image
Physics, 23.06.2019 03:20, emilyy6425
When a pendulum is held high and taut and then is released, the pendulum begins to swing. what’s the correct order of the energy transformations in this example? (pe stands for potential energy.)
Answers: 2
Do you know the correct answer?
An 800-khz radio signal is detected at a point 8.5 km distant from a transmitter tower. the electric...

Questions in other subjects:

Konu
History, 06.04.2021 01:20