What is amplitude? a) amplitude is the height of a wave b) amplitude is the time it takes for one complete wave to pass a given point c) amplitude is the number of complete waves that pass a point in a second d) amplitude is the distance between two crests or two troughs

Why is there friction between objects

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good

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