If the frequency of the wave above was 4 Hz what was the velocity of the wave? Show
your work

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

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