Suppose a collection of quantum harmonic oscillators occupies the lowest 4 energy levels, and the spacing between levels is 0.07 eV. What is the complete emission spectrum for this system

The metric unit of electrical power is the watt volt ampere ohm

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic