State whether it should have a continuous spectrum, an absorption line spectrum, or an emission line spectrum. explain your reasoning.

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s

The two required components for a generator

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?