Home Work 13-Micosoft Edge 凸https://session.masteringphysics.com/myct/itemView?assignmentProblemiD-81177 Home Work13 Problem 12.39 previous 1 10 of 10 I return to assignment Problem 12.39 Part A What is the fundamental frequency? Express your answer to two significant figures and include the appropriate units A uniform narrow tube 1.80 mlong is open at both ends. It resonates at two successive hamonics of frequencies 325 Hz and 390 Hz !「Value T Units Submit My Answers Give Up Part B What is the speed of sound in the gas in the tube? Express your answer to two significant figures and include the appropriate units aby