Chapter 12, Problem 3PE

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

Chapter
Section

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

# Blood is pumped from the heart at a rate of 5.0 L/min into the aorta (of radius 1.0 cm). Determine the speed of blood through the aorta.

To determine

The speed of blood flowing through the aorta.

Explanation

Given info:

• Blood pumping rate of heart is 5Â Lminâˆ’1 .
• Converting blood flow rate in unit of cm3s-1.

â€ƒâ€ƒ5Lminâˆ’1=5Â LminÃ—1â€‰min60â€‰sÃ—1000â€‰cm31â€‰L=â€‰83.33â€‰cm3s-1

• The radius of the aorta is 1â€‰cm .

Formula used:

Formula to find the average flow rate is,

â€ƒâ€ƒQâ€‰=â€‰vâ€‰A

Here, Q is the flow rate, v is the speed of the car and A is the area

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