A radio station has a radius of 100 miles

Asked by maham237 @ in Mathematics viewed by 293 People

A radio station's signal has a radius of 100 miles. If you drive at a constant speed of 40 miles an hour, nonstop, directly across the diameter of the signal, how long can you listen to the station before the signal fades?

Answered by maham237 @


The radius is 100 miles . . . so the diameter is 200 miles (100 miles towards the transmitter and 100 miles going away.

At 40mph it takes 5 hours to drive 200 miles, therefore you could listen to the station for 5 hours.

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