A machine gun is mounted on an armored car moving with a speed of `20 ms^(-1)`. The gun point against the direction of motion of car. The muzzle speed of bullet is equal to speed of sound in air i.e., `340 ms^(-1)`. The time difference between bullet actually reaching and sound of firing reaching at a target `544 m` away from car at the instant of firing is reaching at a target `544 m` away from car at the instant of firing is

Options

A. The sound arrives at the target later than the bullet
B. The sound arrives at the target earlier than the bullet
C. Both sound and bullet arrive at the target at the same time
D. The bullet will never arrive at the target

Answer

A

Explanation

Here relative to ground the speed of bullet is more than that of sound so bullet will arrive earlier than the sound.