In which substance would the particles be moving the fastest?
a. dry ice
b. iced tea
c. warm water
d. carbon dioxide gas

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

What is the temperature in degrees celsius of a substance with a tempature of 49k

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?