An object is spun around in circular motion such that its period is 12s. a. What is the frequency of its rotation?
b. How much time will be required to complete 86 rotations?

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.

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

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)