Sir Isaac Newton found that white light contained every color, so objects the colors they are not and the color they are. A. mirror / mimic
B. accept / reject
C. accelerate / repel
D. absorb / reflect

Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?