The speed of light is approximately 186,282 miles per second. To calculate the time it would take for a telephone signal to travel 3070 miles, we can use the formula:
time = distance / speed
time = 3070 miles / 186,282 miles per second
time ≈ 0.0165 seconds
Therefore, it would take approximately 0.0165 seconds for a telephone signal to travel 3070 miles from coast to coast across the United States.
a) Approximately how long would it take a telephone signal to travel 3070 mi from coast to coast across the United States? (Telephone signals travel at about the speed of light.)
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