rawwann rawwann
  • 21-09-2022
  • Physics
contestada

A boy heard the thunder 18.74998 seconds after the lightening of a storm which is at a distance 6km , so the speed of sound in air equals .....( Where the speed of light in air = 3000000)


I already checked the answer in the answer book it's velocity= 320 m/s but I don't understand how

If anyone can help me please do

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