Question

A boy fires a gun and another boy at a distance of 6120m away hears the sound of firing of the gun,
18 s after its smoke. Find the speed of sound​

Answer 1

Given that,

• Distance between two boys = 6120 meters (d)
• Time to hear echo = 18 seconds (T)
• Velocity of the sound = ? (V)

we know,

• Velocity of sound = (distance)/Time
• V = d/T
• V = (6120m) / 18 sec
• V = 340 m/sec.

Therefore, the velocity of sound is 340 m/sec.

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