The speed of sound in sea water is about 1530 m/s. If a sound wave has a frequency of
2.50  102 Hz, what is its wavelength in sea water?

What is the momentum of a 2 kg object moving at 15 meters per second

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2