Two men stand a certain distance apart beside a long metalfence on a still day; one man places his ear against the fencewhile the other gives the fence a sharp knock with a hammer.Two sounds separated by a time interval of 0.5 second are i 41heard by the first man. If the velocity of sound in air is330 ms and in the metal is 5280 ms 1, how far apart are the men?(1) 352 m(3) 165 m(2) 330 m(4) 176 m

Two men stand a certain distance apart beside a long metalfence on a s

1.	Two men stand a certain distance apart beside a long metalfence on a still day; one man places his ear against the fencewhile the other gives the fence a sharp knock with a hammer.Two sounds separated by a time interval of 0.5 second are i 41heard by the first man. If the velocity of sound in air is330 ms and in the metal is 5280 ms 1, how far apart are the men?(1) 352 m(3) 165 m(2) 330 m(4) 176 m
Answer» Two men stand a certain distance apart beside a long metalfence on a still day; one man places his ear against the fencewhile the other gives the fence a sharp knock with a hammer.Two sounds separated by a time interval of 0.5 second are i 41heard by the first man. If the velocity of sound in air is330 ms and in the metal is 5280 ms 1, how far apart are the men?(1) 352 m(3) 165 m(2) 330 m(4) 176 m