Answer:
D = 3.45 mile
Explanation:
given,
time taken by the sound wave, t = 16.2 s
speed of sound, v = 343 m/s
speed of the light = 3 x 10⁸ m/s
distance where lightning stroke
we know,
distance = speed x time
D = 343 x 16.2
D = 5556.6 m
1 m = 0.000621371 mile
5556.6 m = 5556.6 x 0.0006214
D = 3.45 mile
the distance lightning strike is 3.45 mile away from the observer.