When a person inhales, air moves down the bronchus (windpipe) at 16 cm/s. The average flow speed of the air doubles through a constriction in the bronchus. Assuming incompressible flow, find the pressure drop in the constriction. The density of air is 1.29 kg/m^{ 3}

1. 0.049536

2. 0.01935

3. 0.062694

4. 0.0559215

5. 0.0327015

6. 0.0435375

7. 0.0234135

8. 0.027864

9. 0.037926

10. 0.0698535

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