Water waves crash on the shore of a beach at a rate of 40. waves per minute. If the speed of the waves is 6.0 ms -1, what is the distance between each adjacent crest? Give your answer to two significant figures. Show work

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)