When a person stands on a rotating merry-go-round the frictional force?

If forces acting on an object are unbalanced. true or false

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

Use vsepr theory to predict the molecular geometry of the molecule hcn.