A 3.50-kg mass hangs from a wire. Find the tension in the wire so that there is a net force of ___. (a) 5.00 N up (b) 5.00 N down

Answervery cold;

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.

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