Know the types of peer pressure describe all of them

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?

Describe uniform velocity and variable velocity in short

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost