Determine the largest angle u that will cause the wedge to be self-locking regardless of the magnitude of horizontal force p applied to the blocks. the coefficient of static friction between the wedge and the blocks is ms = 0.3. neglect the weight of the wedge.

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.

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

Decreased sensitivity to an unchanging stimulus is known as