At 2.0 m from a localized sound source you measure the intensity level as 75 dB. How far away must you be for the perceived loudness to drop in half (i.e., to an intensity level of 65 dB)?

Work and Power Work ● When a force acts on an object, i does work on the object. ○ W=F*d ○ Work = Force * isplacement ■ The force must be PARALLEL to the displacement ● Measured in Joules (Newtonmeter) ● Ifthere is an angle, only the cosine of the angle times the force is what...