Physics, 30.07.2019 05:10 Lolmickles968
An 800-khz radio signal is detected at a point 2.7 km distant from a transmitter tower. the electric field amplitude of the signal at that point is 0.36 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 intensity of the radio signal at that point?
Answers: 2
Physics, 22.06.2019 04:30
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
Answers: 1
An 800-khz radio signal is detected at a point 2.7 km distant from a transmitter tower. the electric...
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