Two men are standing on the same side of a high wall and at the...
Two men are standing on the same side of a high wall and at the...
Two men are standing on the same side of a high wall and at the same distance from it such that they are 400 m apart. when one man fires a pistol, the other hears the first report 1.2 s after seeing the flash and the second report 0.5 s after the first. Explain why he hears two reports and calculate the (a) velocity of sound in air (b) perpendicular distance of the men from the wall?
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