Two waves are superposed. one wave has an amplitude of 3 cm, and the other has an amplitude of 4 cm. what is the resultant amplitude?

Which lists the amplitudes of sound waves from these sources in order from greatest to least? busy roadway, kids whispering, average home chainsaw, diesel truck, rustling leaves kids whispering, vacuum cleaner, jet airplane library, conversational speech, music from speaker

There are 3 ways heat can be transferred: through solids, called , through liquids and gases , called , and through electromagnetic waves, called

What does every magnet possess? a. iron metal b.strong magnetic field c.repulsion d.north and south poles