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A train moving towards a tunnel in a huge mountain with a speed of 12m/s sounds its whistle. If the driver hears 6 beats per second and speed of sound in air is 332 m/s,the frequency of whistle is how much |
| Answer» A train moving towards a tunnel in a huge mountain with a speed of 12m/s sounds its whistle. If the driver hears 6 beats per second and speed of sound in air is 332 m/s,the frequency of whistle is how much | |