A 680-Hz sound wave travels at 340 m/s in air, with a wavelength of
A. 50m
B. 0.5m
C. 5m
D. 2m

Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right

True or false graphs must include scales that increase by the same amount

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly