A harmonic wave is given by y(x,t) = 4cos(3.61x - 6.1t). To the nearest hundredth of a meter what is the wavelength?
What is its period to the nearest thousandth of a second?
What is the velocity of the wave to the nearest hundredth of a m/s?
What will be the value of y to two decimal places in problem 1 if x = 1.07 and t = 1.43?
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