(8%) Problem 4: A student observing the ocean notes that n = 7 crests break in 1 = 3.8 minutes? f= 50% Part (a) Input an expression for the frequency of

the waves. Hints: 0% deduction per hint. Hints remaining: 1 n 0 60 g j P Submit 50% Part (b) What is the frequency in hertz? a a h k S Hint В d i m t ) ^^^ * 7 8 9 4 5 6 1 2 3 + - VOBACKSPACE 0 Feedback DEL. HOME END CLEAR I give up! Feedback: 0% deduction per feedback. Grade Sun Deductions Potential Submission Attempts re (5% per atte detailed vie