Imagine the deep, low sound made by a tuba. now, what is an example of a sound with a much higher pitch?

a) a big dogs growl.
b) the rumble of thunder.
c) the chime of a doorbell.
d) the horn blast from an eighteen wheeler.

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.