(8%) Problem 6: A student attaches a f= 3.5 kHz oscillator to one end of a metal rail of length L = 25 m. The student turns on the oscillator and uses a piezoelectric gauge at the other end to measure that the resulting sound wave takes t= 0.0076 s to travel the length of the rail. A 25% Part (a) Input an expression for the period of the waves in the rail, in terms of the given quantities. T= 0 f 1 n Submit Hints: 2% deduction per hint. Hints remaining: 1 Y b g k P Hint T d h m S 7 8 9 4 5 6 1 2 3 + 0 NO BACKSPACE DEL ( ^^ * - Feedback HOME I give up! Feedback: 2% deduction per feedback. A 25% Part (b) What is the period, in seconds? A 25% Part (c) What is the speed of the wave in the rail, in meters per second? 25% Part (d) What is the wavelength of the wave within the rail, in meters? All content 2018 Expert TA, LLC END CLEAR Grade Summary Deductions Potential 0% 100% Submissions Attempts remaining: 5 (5% per attempt) detailed view