A50 cm-long metal rod rotates about the z-axis at 90 revolutions per minute, with one end fixed at the origin. if b = z^2 × 10−4 t, determine the emf induced in the rod

The least penetrating form of radiation is

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

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. the area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?