Monochromatic light is beamed into a Michelson interferometer. The movable mirror is displaced 0.307 mm, causing the central spot in the interferometer pattern to change from bright to dark and back to bright 1790 times. Determine the wavelength of the light. Answer in units of nm.

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

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

How is the ideal mechanical advantage of a wheel and axle calculated?