Saxophone A plays a 430 Hz tone, and at the same time saxophone B plays a tone of a different frequency. If a beat frequency of 5 beats/second can be heard, which of the
following could be the frequency played by saxophone B?
A. 425 Hz
B. 440 Hz
C. 430 Hz
D. 5 Hz

Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation

When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve