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Physics / College Physics 1 / Chapter 11 / Problem 18

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

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Solved: The aqueous humor in a person’s eye is exerting a

Chapter 11, Problem 18

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QUESTION:

Problem 18PE

The aqueous humor in a person’s eye is exerting a force of 0.300 N on the 1.10-cm2 area of the cornea. (a) What pressure is this in mm Hg? (b) Is this value within the normal range for pressures in the eye?

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QUESTION:

Problem 18PE

The aqueous humor in a person’s eye is exerting a force of 0.300 N on the 1.10-cm2 area of the cornea. (a) What pressure is this in mm Hg? (b) Is this value within the normal range for pressures in the eye?

ANSWER:

Solution 18PE

Step 1 of 4

Here we need to calculate the pressure in $mm\ Hg$ on a area of cornea $A=1.10\ {cm}^{2}$ due to the application of force $F=0.3\ N$ by an aqueous humor in a person’s eye. Also, we need to comment whether the value of pressure is in the normal range or not.

Given data,

Force, $F=0.3\ N$

Area, $A=1.10\ {cm}^{2}$

Using $1\ {cm}^{2}={10}^{-4}{m}^{2}$ $A=1.10\ {\times{}{10}^{-4}\ m}^{2}$

To find,

Pressure, $P=?$

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