Lightning and Thunder !
Classical Mechanics
Level
1
Tushar observes lightning in his area. He hears the sound 5 s after he observed lightning. How far is he from the place where lightning occurs if speed of sound in air is 330m/s.
Details and Assumptions:- Answer in unit kilometer.
The answer is 1.65.
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1 solution
Speed(S) = Distance(D)/Time(T)
now,Speed = 330m/s & Time = 5s is given. Thus substituting these values in above Equation.
.`. 330 = D/5
.`. D = 330*5