Which best compares the particles of the substance when it is in region 1 with the particles of the substance when it is in region 3? the particles are slower in region 3. the particles are more orderly in region 1. the particles have more kinetic energy in region 1. the particles have less freedom of motion in region 3.

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Ain is , is 's of ? 0.62 0.79 1.27 1.50