A 1.20 g sample of an unknown has a volume of 1.73 cm what is the density of the unknown

If you hear a higher pitch from a clarinet than from a saxophone, how do the frequencies of the sound waves from the clarinet compare to those of the saxophone? A - The saxophone's waves have a higher frequency than the clarinet.

What are (a) the amplitude and (b) the phase angle (relative to wave 1) of the resultant wave? (c) If a third wave of amplitude 4.

How do you find the mechanical advantage of a wheel and axle

Which action would be most likely to cause hearing loss? A. shooting a rifle B. listening to quiet music C. playing a clarinet kicking a soccer ball

A 0.40 kg toy car moves at constant acceleration of 2.3 m/s2. determine the net applied force that is responsible for that acceleration.

A girl throws a rock horizontally, with a velocity of 10 m/s, from a bridge. It falls 20 m to the water below. How far does the rock travel horizontally before striking the water?

This is a machine consisting of two wheels of different sizes that rotate together. It is a modified lever.

A source from which organisms generally take elements is called a/an A. biotic community. B. reservoir. C. exchange pool. D. food web.

Jill has a mixture of sand and iron fillings. The mass of the mixture is 250 g. Jill uses a magnet to seperate the two substances. Then she measures the mass of the sand as 150 g what should be the mass of the iron fillings

Ca (OH) 2 is__ An acid A base A salt