An anti-tank gun fires point-blank at a tank. The burst of the shell (on the tank) is observed by the tank crew after 0.6 s & the sound is heard 2.1 s after the short is fired. If the velocity of the sound is 340 m/s, find the distance between the tank & the gun & also the velocity of the shell.
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assume straight line distances and straight line path for the shell from the gun to the tank.
duration of travel of sound = 2.1 s - 0.6 s = 1.5 sec
distance between the tank and gun = 1.5 * 340 = 510 m
speed of the shell = 510m / 0.6 sec = 850 m/sec
duration of travel of sound = 2.1 s - 0.6 s = 1.5 sec
distance between the tank and gun = 1.5 * 340 = 510 m
speed of the shell = 510m / 0.6 sec = 850 m/sec
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