Question: Water flows through a 4.0 -cm-diameter horizontal pipe at a speed of (1.3 mathrm{~m} / mathrm{s}). The pipe then narrows down to a diameter of

Water flows through a 4.0 -cm-diameter horizontal pipe at a speed of $1.3 \mathrm{~m} / \mathrm{s}$. The pipe then narrows down to a diameter of $2.0 \mathrm{~cm}$. Ignoring viscosity, what is the pressure difference between the wide and narrow sections of the pipe?

A. $850 \mathrm{~Pa}$

B. $3400 \mathrm{~Pa}$

C. $9300 \mathrm{~Pa}$

D. $12,700 \mathrm{~Pa}$

E. $13,500 \mathrm{~Pa}$

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