A. Find the tension in a 60 cm guitar string that has a mass of 1.4 g if it is to plug the note G with a frequency of 396 Hz. Assume that the wavelength of the note will be two times the length of the string. B. Waves in a lake are spaced 5.00 m and pass an anchored boat 1.25 sec apart. (a) How long before a particular wave crest can return to pass underneath a boat a hundred meters away from the shoreline? (d) if we will stay longer to see the boat tossed up and down a hundred times, how long will we have to wait? C. Light waves travel in a vacuum at a speed of 300 000 km/s. (a) The frequency of the longest visible red light is 4 x 10^8 MHz, what is its approximate wavelength? (b) The wavelength of the shortest ionizing gamma
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