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a machine gun is mounted on an armoured car moving with a speed of 20m/s. The gun can point against the direction of motion of car.The muzzle speed of bullet is equal to speed of sound in air i.e.,340m/s. The time difference between bullets actually reaching and sound of firing reaching at a target 500 m away from car at the ins†an t of firing is how much |
| Answer» a machine gun is mounted on an armoured car moving with a speed of 20m/s. The gun can point against the direction of motion of car.The muzzle speed of bullet is equal to speed of sound in air i.e.,340m/s. The time difference between bullets actually reaching and sound of firing reaching at a target 500 m away from car at the ins†an t of firing is how much | |