What process allows radios to receive signals even when they are not in line of a tower?
a. r...
Physics, 06.11.2019 14:31 zackarygonzalez1028
What process allows radios to receive signals even when they are not in line of a tower?
a. refraction
c. diffraction
b. reflection
d. amplification
Answers: 3
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If steel is more dense that lake water, why can a boat float
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Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation
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Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?
Answers: 2
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