A(n) recording is made by capturing the fluctuations of sound waves and stores those signals in a record's grooves or a tape's continuous stream of magnetized particles.

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis