4. Speed of sound in air

Rithik and Ruha hear a gunshot 4 \(seconds\) after it is fired. How far away from the gun they are standing? (Speed of sound in air is equal to \(330\) $m/s$)

 

  

Answer:

 

If the gunshot is heard 4 \(s\), they are  \(m\) from the gun.