Please explain parts c, d, and e. Please include significant figures and units. Thanks for your help! A string of length L=0.800 m is fixed at both ends. It oscillates in a four-loop standingwave pattern at a frequency f, = 560 Hz . The mass of the string is m = 2.39 g .a. What is the wavelength of the four-loop pattern (the 4th harmonic), 4 , for this string?b. What is the wave speed, v, on the string?c. What is the tension, t for this string?d. What frequency, f,, is needed to excite the first harmonic?1.e. Sketch the envelope of oscillations for the 4th harmonic only (the shape of the wave functionwhen cos(@ t) = l and when cos(@ t) =-1) and label the nodes (with the letter N) andantinodes (with the letter A) on your sketch.

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