Question: You throw a rock downward into water with a speed of 3mglk, where k is the coefficient in Eq. (5.7). Assume that the relationship between

You throw a rock downward into water with a speed of 3mglk, where k is the coefficient in Eq. (5.7). Assume that the relationship between fluid resistance and speed is as given in Eq. (5.7), and calculate the speed of the rock as a function of time.

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