A tuning fork, which produces a sound, was used to produce the wave you see above. What type of wave is expressed in this diagram? electromagnetic wave
longitudinal wave
transverse wave
magnetic wave

Which statement best explains why an object weight less on mercury than it does on earth

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?