A column of soldiers, marching at 120 paces per minute, keep in step with the beat of a drummer at the head of the column. It is observed that the soldiers in the rear end of the column are striding forward with the left foot when the drummer is advancing with the right foot. What is the approximate length of the column?
Stacey Warren - Expert brainly.com
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i dont get it
first part says " they keep in step with the beat of a drummer at the head of the column. "
then it says, that there is a mismatch in their footing...? how can that be?
guess we need to consider the time taken by sound to reach the soldiers in the back..
Sound travels at 340 meters per second, only 3 football fields a second.