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A worker repairing railway track which is on the verge of a repair, the listener will hear the tap 2 times trough time 3 seconds if the sound speed in air equal to 331 m/s. In steel with 5,103 meters per second. Thou shalt find that workers at the repairs away from an audience of approximately how much.

Workers repairing the tracks, which were repaired at one of the two tracks, the listener will hear a knock at the same time three seconds if the speed of sound in air is 331 meters per second. Steel in the 5103 meters per second. Determine whether workers from repairing the audience about how much.

The workers repair railway which is fixed at one place, listeners will hear a knock Table 2 time difference 3 seconds if the sound velocity in the air as 331 per second. In the iron of 5 103, per second. Be accused of workers repair the away from the audience about how much.