A Local Radio Station Transmits Radio Waves Uniformly in All

question 2

Multiple Choice

A local radio station transmits radio waves uniformly in all directions with a total power of 7.50 × 10⁴ W. What is the intensity of these waves when they reach a receiving antenna located 20.0 km from the transmitting antenna?

• A)1.49 × 10^-5 W/m²
• B)5.96 × 10^-5 W/m²
• C)3.73 × 10^-6 W/m²
• D)1.17 × 10^-7 W/m²
• E)5.60 × 10^-8 W/m²

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Definitions:

Cognitive Therapy

A psychotherapeutic approach aiming to change negative patterns of thought to improve emotional regulation and address behavioral problems.

Negative Thoughts

Thoughts that are often characterized by pessimism or a focus on what is lacking or undesirable.

Rational Emotive Behavior Therapy

is a form of psychotherapy that helps individuals identify and challenge irrational beliefs to change their emotional and behavioral responses.

Psychosurgery

A medical intervention that involves operating on the brain to treat psychological disorders.