How would you explain force and movement to a friend who doesn’t know much about it?

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

Which sound characteristic is not affected by the relative motion of an object

Which statement best explains why the overall charge on an atom is zero?