I need the answers please

6. [-/12.5 Points] DETAILS SERCP9 14.P.019.MI.FB. 0/10 Submissions Used MY NOTES ASK YOUR TEACHER A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 52 dB by an observer 10 km away. (a) What is the average power generated by the horn? W (b) What intensity level of the horn's sound is observed by someone waiting at an intersection 44 m from the train? Treat the horn as a point source and neglect any absorption of sound by the air. dB Need Help? Master It