nita hrard the sound of lighting after 6 seconds of seeing it whatwas the distance of ligthing from her (the velocity of sound air is 340 m/s)
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Therefore, the distance of Lightning from Nita is 1360 meters.
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the velocity of soynd in air= 340m/s
in one second, sound reaches 340m.
in 4 seconds, sound reaches 340×4=
1360m
= 1.36m
the speed of light is 3×10^8 m/s .so,i have assumed that she saw the lightning as soon as it happened
hope it helps
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