Final answer:
This question involves calculating the intensity and maximum electric field strength of an AM radio signal from a certain distance away.
Step-by-step explanation:
The subject of this question is Physics. The question involves calculating the intensity and maximum electric field strength of an AM radio signal from a certain distance away.
First, to find the intensity, we need to consider that half the power of the radio waves will be spread over the area of a hemisphere at a certain distance. Using the formula for intensity, which is power divided by area, we can calculate the intensity.
Next, to find the maximum electric field strength, we can use the equation that relates electric field strength with intensity. By rearranging this equation, we can solve for electric field strength using the intensity value we previously calculated.