Water flows through a main pipe of radius with an average speed of

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Fluids · Fluids

Problem

Water flows through a main pipe of radius

5.0\,\text{cm}

with an average speed of

0.80\,\text{m\,s}^{-1}

. The pipe ends in a nozzle of radius

2.0\,\text{cm}

. Calculate the speed of water at the nozzle exit.