A spring-mass system is both periodic motion and simple harmonic motion. True
False

When a spring is stretched, elastic potential energy is stored.

True
False

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion