Light travels in 1 m in 3.3 nanoseconds and sound travels 1m in 3.03 miliseconds. Estimate how far away is the storm site if it takes 12 seconds between the flash and thunder.
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Answer:
Let the distance be d metres
time light took to travel = d *3.3 ns
time sound took to travel = d * 3.03 ms
So d * 3.03 ms - d * 3.3 ns = 12
d (3.03 * 10^-3 - 3.3 * 10^-9) = 12
d (0.0030299967) = 12
d = 3960 m
