Question

Lightning flashes and you hear a thunder clap for seconds later. the velocity of sound is 340 m/s. how far away did lightning strike ?​

Answer 1

Answer:

For metric-system conversions, follow this method: Sound travels at about 340 m/s, so multiply the number of seconds you counted by 340, and you'll know how many meters away lightning struck. A three-second count, then, would place the lightning strike about 1,020 m away, or roughly 1 km.

Explanation:

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Answer 2

The distance struck by the lighting flashes is 680 m.

The given parameters;

• time taken to hear the thunder clap, t = 4 s
• velocity of sound, v = 340 m/s

The distance struck by the lighting is calculated by applying the principle of echo as follows;

$v = \frac{2d}{t} \\\\2d = vt\\\\d = \frac{vt}{2} \\\\d = \frac{340 \times 4}{2} \\\\d = 680 \ m$

Thus, the distance struck by the lighting flashes is 680 m.

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