Created by StemPy LabA water wave has a wavelength of 3.5 m. What does this code print for its wave number in rad/m? import numpy as np; print(round(2 * np.pi / 3.5, 2))
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← The true sine of a sum and the false rule, side by side. What does this print? `import numpy as np; a, b = np.radians(25), np.radians(65); print(round(float(np.sin(a + b)), 2), round(float(np.sin(a) + np.sin(b)), 2))`Mains electricity has a frequency of 60 Hz. What does this code print for its angular frequency in rad/s? `import numpy as np; print(round(2 * np.pi * 60, 1))` →
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