A sound wave will not travel forever. a) What happens to a wavelength and amplitude if no energy is supplied to it?
b) what form of energy is the energy transferred into!

Arock is dropped from a cliff and reaches the ground in 2.70s. at the same time another rock is thrown horizontally from the same height with initial x velocity of 0.95 m/s. what distance will in x will the second rock cover?

If a balloon is taken outside on a very cold day, what will occur?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?