Water flowing in a 4.0 pipe at the rate of 1.4 m/s comes to a 0.50 cm pipe and then a 2.0 cm pipe. Find the velocity in the last two pipes.

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Water flowing in a 4.0 pipe at the rate of 1.4 m/s comes to a 0.50 cm pipe and then a 2.0 cm pipe. Find the velocity in the last two pipes.