It took 2 sec after lightning for the sound of thunder to reach u. How far did the lightning struck?
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As the sound has taken 2s to reach our ear, we will use the following formula to calculate the answer,
Distance = Speed*Time
Given,
Time, t = 2s
Speed, v = 343 m/s - (Speed on sound in air)
Distance, s = ? - (to be calculated)
Therefore,
S = VT
=> S = 343* 2
=> S = 686 m
The light took place 686 metres above the ground level.
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