Answered: Several situations are given below. For…

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter14: Fluid Mechanics

Section: Chapter Questions

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Question

Several situations are given below. For each, answer the following questions: a) does one quantity depend on another? if so, how? b) if the answer to (a) is yes, sketch a rough graph. label the axes.

1. Scuba diver a scuba diver dives straight down into the water quantities: the depth of the dive the water pressure on the diver

2. walking to school some friends walk to class together quantities: the time it takes to walk to class the number of people walking

3. falling egg an egg is dropped from a tenth story window quantities: the length of time the egg has fallen the distance the egg has fallen

4. paycheck a person works at a part-time job for an hourly wage quantities: the amount of the person's weekly paycheck the number of hours the person works in a week

5. carpool some people carpool to work quantities: the amount each person spends on gas the number of people who carpool

6. cooling tea a cup of hot tea is put on a table in a cold room for a long time quantities: the temperature of the drink the amount of time it has been on the table

7. paint crew a crew of painters paints a house quantities: the time it takes to paint the house the number of people in the crew

8. gas in a tank a person takes a car on a trip quantities: the amount of gas in the tank the total distance that can be driven

9. draining a swimming pool water drains from a swimming pool quantities: the water level in the pool the volume of water in the pool

10. symphony: an orchestra plays a symphony quantities: the number of people in the orchestra how long it takes to play the symphony

Expert Solution

Step 1

Question-1

Part-(a):

If an object is submerged in the water then the force applied by the water above it per unit surface area of the object is termed as the water pressure.

Mathematically it can be expressed as

$P = h ρ g$

where $P$ is the water pressure, $h$ is the depth of water, $ρ$ is the density of water and $g$ is the gravitational acceleration.

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