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A water line with an internal radius of 6.90 10-3 m is connected to a shower head that has 20 holes. The speed of the water in the line is 1.2 m/s.

(a) What is the volume flow rate in the line?

(b) At what speed does the water leave one of the holes (effective radius = 4.6 multiplied by 10-4 m) in the...