Water of constant density flows steadily through the arrangement shown

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Fluids · Fluids

Problem

Water of constant density flows steadily through the arrangement shown. • Inlet pipe: diameter

6\,\text{cm}

, speed

2.0\,\text{m}\!/\!\text{s}

• Outlet A: diameter

4\,\text{cm}

, speed

3.0\,\text{m}\!/\!\text{s}

• Outlet B: diameter

3\,\text{cm}

, speed unknown What is the average speed of the water in outlet B? (a)

4.0\,\text{m}\!/\!\text{s}

(b)

2.7\,\text{m}\!/\!\text{s}

(c)

2.5\,\text{m}\!/\!\text{s}

(d)

8.0\,\text{m}\!/\!\text{s}