During actual sound waves, what is being compressed together?

An alloy that contains mainly copper and tin is

Does a zero net force causes an acceleration

Why does an object in motion stay in motion unless acted on by an unbalanced force? A) because forces are what stop and start motion B) because balanced forces can not exist in nature C) because motion is the inherent state of all matter D) because

Atoms of the same element with different numbers of neutrons are called

A railroad diesel engine weighs four times as much as a freight car. If the diesel engine coasts at 24 km/h into a freight car that is at rest, how fast do the two coast after they couple?

An ionic compound is a compound that consists of molecules made of atoms that are covalently bonded. True or False?

What is the term for the flow of electric charge

Relation between wavelength wave velocity and time period

Infer how distance and speed in the motions of a clock parts are used to measure time

How much energy (in Joules) is released when 0.06 kg of mercury is condensed to a liquid at the same temperature?