A radio antenna broadcasts a 1.0 MHz radio wave with 30.0 kW of power. Assume that the radiation is emitted uniformly in all directions. Part A What is the wave's intensity 28.0 km from the antenna? Express your answer with the appropriate units. 3.05x10-6 Submit Part B Correct W m² 0.002 Previous Answers What is the electric field amplitude at this distance? Express your answer with the appropriate units. Submit V m ? Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining

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A radio antenna broadcasts a 1.0 MHz radio wave with 30.0 kW of
power. Assume that the radiation is emitted uniformly in all directions.
Part A
What is the wave's intensity 28.0 km from the antenna?
Express your answer with the appropriate units.
3.05x10-6
Submit
Part B
Correct
W
m²
0.002
Previous Answers
What is the electric field amplitude at this distance?
Express your answer with the appropriate units.
Submit
V
m
?
Previous Answers Request Answer
X Incorrect; Try Again; 8 attempts remaining
Transcribed Image Text:A radio antenna broadcasts a 1.0 MHz radio wave with 30.0 kW of power. Assume that the radiation is emitted uniformly in all directions. Part A What is the wave's intensity 28.0 km from the antenna? Express your answer with the appropriate units. 3.05x10-6 Submit Part B Correct W m² 0.002 Previous Answers What is the electric field amplitude at this distance? Express your answer with the appropriate units. Submit V m ? Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining
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