Compare the loudness of sound waves that are in phase when they interfere with the loudness of sound waves that are out of phase when they interfere

If a textbook weighs 37.2 n on venus, and the book has a mass of 4.4 kg, what is the strength of gravity on venus? 8.9 m/s28.9 m/si don't have enough information,9.8 m/s2

An observer that stands still as the electron moves by him, will observe

Which quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity