A tire placed on a balancing machine in a service station starts from rest and turns through 13.5 revolutions in 7.61 s before reaching its final angular speed. Calculate its angular acceleration.

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

Give me a example of a decomposer. explain what would happen if decomposers were absent from a forest ecosystem