Figure 6(a) shows a circuit where 1, 2, 3, 4 = 1 V, 2 V, 3 V, 4 V respectively and 1, 2, 3, 4, 5, 6 = 1 Ω, 2 Ω, 3 Ω, 4 Ω , 5 Ω, 6 Ω respectively. Calculate the current passing through 6

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm