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A radio antenna broadcasts a 1.0 MHz radio wave with 29.0 kW of power. Assume that...

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Physics

A radio antenna broadcasts a 1.0 MHz radio wave with 29.0 kW ofpower. Assume that the radiation is emitted uniformly in alldirections.

What is the wave's intensity 25.0 km from the antenna?

The answer is 3.69×10−6 W/m^2

What is the electric field amplitude at this distance?

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