A violin has a string of length 0.320 m, and transmits waves at
622 m/s. At what frequency does
it oscillate?

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k

Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7

How do you count the total number of atoms present on one side of a chemical equation?