Asked by gal
You can estimate your distance from a lightning storm by watching for a lightning flash and then counting in one-second intervals using the general rule that you are 1 km away for every 3 s you count.
Explain why this rule works.
Estimate the distance from a lightning storm if it takes 8 s (exactly) for the sound of the thunder to reach you after you see a flash of lightning. Assume that the temperature is 21 degrees Celsius. (The speed of light is approx. 2.99 x 10^8 m/s.)
Explain why this rule works.
Estimate the distance from a lightning storm if it takes 8 s (exactly) for the sound of the thunder to reach you after you see a flash of lightning. Assume that the temperature is 21 degrees Celsius. (The speed of light is approx. 2.99 x 10^8 m/s.)
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