This is a model of a sound wave. It shows us waves for four different sounds, Which part of the wave shows the sound that is the

LOUDEST?

part A

part B

part

part D

Alexander calder's mobiles are an example of motion because it uses forces of wind and water.

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

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