Nita heard the sound of lightning after 4 second of seeing it. What was the distance of the lightning from her?
(The velocity of sound in air is 340 m\s)
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Answered by
33
speed = distance / time
distance = speed*time
speed =340m/s
time=4s
distance = 340*4
=1360m
so the lighting is 1360 metres away from Nita.
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Answered by
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Let x be the source point from the sound has emmited and y be the point of you ear
time taken is equal to 4 seconds and speed of sound in air is 330m/s so distance will be product of speed and time then
distance=speed of sound × time taken
distance =330×4=1320m
this is your answer
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