Light of wavelength 640.0 nanometers (nm) passes through a pair of double slits with a
certain separation and falls on a screen. If the
angle between the center and 2nd
interference maximum is 1.850°, what is the
separation between the slits (um)?

The ozone hole appears in antarctica during

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?