Answer in all probability is 340 m/s.
I used a very crude method to arrive at the solution. I will think of another solution...
A boy stands in front of a tall wall and claps. The boy continues to clap every time an echo is heard. Another boy finds that the time taken between the firs and 51st clap is 18s. v=?
330m/s
340 m/s
333m/s
none

UP 0 DOWN 0 2 2
2 Answers
Sayan Sinha
·20130803 09:10:37