The Intensity of a Radio Signal from the Radio Station

question 360

Multiple Choice

The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose the the intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of
5 miles? Round your answer to the nearest unit.

• A) 1263 units
• B) 1244 units
• C) 1306 units
• D) 1280 units

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Definitions:

Germ Cells

The reproductive cells in an organism that give rise to gametes (sperm and eggs).

Ovulation

The phase in the menstrual cycle when a mature egg is released from the ovary, making it available for fertilization.

Ovary

One of the pair of female reproductive organs that produce eggs and secrete hormones, including estrogen and progesterone.

Reproductive Life

Refers to the period in a person's life when they are able to conceive or father children.