A baseball is thrown straight into the air with an initial velocity of 85 mph . How far will the ball travel if it takes 5.4 seconds to land?

Your answer is 1.5 hope i  

Sounds propagates through some kind of medium. usually it's air, but it goes just as well through solid objects like walls, windows etc. a soundwave will compress the (air)molecules in front of it, and if this increased density wave hits your ears, you register it as sound. solid objects like walls are a lot denser than air, this means that they will damp a wave, but also carry it easier.

Answer phase of matter