Ask your own question, for FREE!
Physics 6 Online
OpenStudy (anonymous):

You are standing in the very center of a deep, flat-bottomed valley, and shout "Hello!" If the valley is 355 m wide, and the speed of sound is 343 m/s, when do you hear the first echo "Hello!"?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!