Two tuning forks, 254 hz. and 260 hz., are struck simultaneously. how many beats will be heard?

8

4

6

What are the differences and similarities of a compression wave and a transverse wave?

Which best represents the law of conservation of mass ?

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly