Solution: A sound system emits 100 W of power from a speaker. At 10 m away the intensity is I. How far from the source must you be for the intensity to be cut in half? A. The intensity remains constant B. 10√2 m C. 20 m D. 40 m

Problem

A sound system emits 100 W of power from a speaker. At 10 m away the intensity is I. How far from the source must you be for the intensity to be cut in half?

A. The intensity remains constant

B. 10√2 m

C. 20 m

D. 40 m