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Physics / Sears and Zemansky's University Physics with Modern Physics 13 / Chapter 12 / Problem 10E

Sears and Zemansky's University Physics with Modern Physics | 13th Edition | ISBN: 9780321696861 | Authors: Hugh D. Young; Roger A. Freedman; A. Lewis Ford

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Answer: BIO (a) Calculate the difference in blood pressure

Chapter 12, Problem 10E

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QUESTION:

Problem 10E

BIO (a) Calculate the difference in blood pressure between the feet and top of the head for a person who is 1.65 m tall. (b) Consider a cylindrical segment of a blood vessel 2.00 cm long and 1.50 mm in diameter. What additional outward force would such a vessel need to withstand in the person’s feet compared to a similar vessel in her head?

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QUESTION:

Problem 10E

BIO (a) Calculate the difference in blood pressure between the feet and top of the head for a person who is 1.65 m tall. (b) Consider a cylindrical segment of a blood vessel 2.00 cm long and 1.50 mm in diameter. What additional outward force would such a vessel need to withstand in the person’s feet compared to a similar vessel in her head?

ANSWER:

Problem (a)

Step 1:

Height of a person h = 1.65 m

Density of blood $\rho{}$ = 1.06 x 103 kg/m3

Acceleration due to gravity g = 9.8 m/s2

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