Question

the frequency of a tuning fork is 400, find how far the sound travels qhen the fork makes 30 vibrations .given velocity of time in air is 320 metres/sec​

Answer 1

Speed of sound at temp. T = 332 + (0.6T)

So, 332 + (0.6 * 20) => 332 + 12 = 344 m/s.