A loudspeaker, mounted on a tall pole, is engineered to emit 75% of its sound energy into the forward hemisphere, 25% toward the back. You measure an 85 dB sound intensity level when standing 1.0 m in front of and 2.5 m below the speaker. Y Part A What is the speaker's power output? Express your answer with the appropriate units. P- 0.101 4 → W ?

A loudspeaker, mounted on a tall pole, is engineered to emit 75% of its sound energy into the forward hemisphere, 25% toward the back. You measure an 85 dB sound intensity level when standing 1.0 m in front of and 2.5 m below the speaker. Y Part A What is the speaker's power output? Express your answer with the appropriate units. P- 0.101 4 → W ?