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During a thunderstorm, a flash of lightning remained $10 s$ . If the speed at which the thunder was heard was $380 m / s$ , the distance at which the cloud is situated is ____ $km$ sounds.

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Detailed Solution

During a thunderstorm, a flash of lightning remained

10 s

. If the speed at which the thunder was heard was

380 m / s

, the distance at which the cloud is situated is

3.8 km

.
Given that,
The Speed of hearing the thunder

v = 380 m / s

Time taken by the lightning

= 10 s

Then the distance at which the cloud is situated is distance

s = speed (v) \times time (t)

Distance

s = 380 \times 10

\Rightarrow s = 3800 m

\Rightarrow s = 3.8 km

The cloud is situated at a distance of

3.8 km

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