A train passes by you and moves away at a speed of 26.8m/s. If its airhorn produces a pitch of 555Hz, what pitch do you hear? a: f= 602Hz
b: f=528Hz
c: f=582Hz
d: f=515Hz

Темирказык жулдызынын жулдыздык шамасы 2,02, ал веганын жулдыздык шамасы 0,03. осылардын кайсысы жарык жане неше есе жарык?

30 points - 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

Aphase diagram assumes is kept constant.