Asubstance has a melting point of 800ºc and a boiling point of 1465ºc. the substance is most likely

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

How is zig zagging a form of acceleration?

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