1. An object is to travel a distance of 15 meters. Express velocity v as a function of travel time t, in seconds. 1 2 t(seconds) v(meters per second) 4 2. In an organ pipe, the frequency f of vibration of air is inversely proportional to the length N of the pipe. Suppose that the frequency of vibration in a 25-foot pipe is 60 vibrations per second. Express f as a function of L.

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