Click the reset button (fourth button on lower left) and then change the amplitude of f(x,t) from 2.0 to 3.0 and the amplitude of g(x,t) from 2.0 to 1.0 (Hit Return or Enter to...Click the reset button (fourth button on lower left) and then change the amplitude of f(x,t) from 2.0 to 3.0 and the amplitude of g(x,t) from 2.0 to 1.0 (Hit Return or Enter to update the values). Find the beat frequency the following way: Stop the simulation when the two source waves exactly cancel (f(x,t)+g(x,t) is a straight line) and record the time (use the step buttons if you overshoot).
