Two spheres of mass 35kg are 60m apart.
A. What force does one exert on the other?

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

How does the entropy of steam compare to the entropy of ice?

A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?