Two sources A and B are vibrating in phase in a ripple tank. A point P on the fourth nodal line is 68.4 cm from source A and 58.8 cm from Source B. The frequency of the sources is 215 cycles/minute. The sources are 12.2 cm apart. a) In metres/second, what is the speed of the waves in the ripple tank? b) Draw a sketch of the sources and nodal lines. Calculate the total number of nodal lines on each side of the right bisector (Show all of your work). Then, draw a sketch of the sources and the nodal lines.
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