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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?
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? 4 hours
2.5 hours
2 hours
5 hours
Option D is the correct answer.Step-by-step explanation:A radio station's signal has a radius of 100 miles.Diameter = 2 x 100 = 200 milesIf you drive at a constant speed of 40 miles an hourSpeed of vehicle = 40 miles per hour.We haveDistance traveled = Speed X Time taken200 = 40 X TimeTime = 5 hoursSo after riding 5 hours the vehicle falls outside of signal range.Option D is the correct answer....
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