Asha found that the horn sounded loudest when she was in a direct line from where the sound originated. What is the term for this type of wave? please help asap my exam starts in 4 hours

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 does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

How to tell if a molecule is polar or nonpolar with electronegativity