High pitched sounds have relatively large ___ and small ___

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire

A"car"initially"at"rest"experiences "a" constant"acceleration"along"a"horiz ontal" road."the"position"of"the"car"at"se veral" successive"equal"time"intervals"is" illustrated"here. between"which"adjacent"positions"is "the" change"in"kinetic"energy"of"the"car "the" greatest

A0.25 kg arrow is moving at 5 m/s and hits a 0.10 kg apple. the apple sticks to the arrow, and both move to the right together. what is their velocity?