"A small omnidirectional stereo speaker produces waves in all directions that have an intensity of 9.00 W/m^2 at a distance of 3.50 m from the...

"A small omnidirectional stereo speaker produces waves in all directions that have an intensity of 9.00 W/m^2 at a distance of 3.50 m from the speaker.a) At what rate does this speaker produce energy? _______Wb) What is the intensity of this sound 10.0 from the speaker? _______W/m^2c) What is the total amount of energy received each second by the walls (including windows and doors) of the room in which this speaker is located? _______J