(10%) Problem 4: Sound travels at a speed of v = 1570 m/s in water. While underwater a student hears a f= 1.5 kHz note in a whale song. Randomized Variables v = 1570 m/s f=1.5 kHz 50% Part (a) Input an expression for the wavelength of the sound wave in water w. 2w = || a d f () 7 8 1^^4 9 HOME 5 6 g h j 1 2 3 k m P + 0 END . S t V VO BACKSPACE DIRE CLEAR Submit Hint Feedback I give up! Hints: 2% deduction per hint. Hints remaining: A 50% Part (b) What is the wavelength in meters? Feedback: 2% deduction per feedback. Gra Dec Pot Sub Att (3% det