Download the App!

Get 24/7 study help with the Numerade app for iOS and Android! Enter your email for an invite.

Get the answer to your homework problem.

Try Numerade free for 7 days

Like

Report

(a) What is the pressure drop due to the Bernoulli effect as water goes into a 3.00-cm-diameter nozzle from a 9.00-cm-diameter fire hose while carrying a flow of 40.0 L/s?(b) To what maximum height above the nozzle can this water rise? (The actual height will be significantly smaller due to air resistance.)

(a) $\Delta P=1.57 \times 10^{6} \mathrm{Nm}^{-2}$(b) $h_{\mathrm{f}} \approx 161.7 \mathrm{m}$

Physics 101 Mechanics

Chapter 12

Fluid Dynamics and Its Biological and Medical Applications

Fluid Mechanics

Rutgers, The State University of New Jersey

University of Washington

Hope College

McMaster University

Lectures

03:45

In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress. Fluids are a subset of the phases of matter and include liquids, gases, plasmas and, to some extent, plastic solids.

09:49

A fluid is a substance that continually deforms (flows) under an applied shear stress. Fluids are a subset of the phases of matter and include liquids, gases and plasmas. Fluids display properties such as flow, pressure, and tension, which can be described with a fluid model. For example, liquids form a surface which exerts a force on other objects in contact with it, and is the basis for the forces of capillarity and cohesion. Fluids are a continuum (or "continuous" in some sense) which means that they cannot be strictly separated into separate pieces. However, there are theoretical limits to the divisibility of fluids. Fluids are in contrast to solids, which are able to sustain a shear stress with no tendency to continue deforming.

12:58

(a) What is the pressure d…

02:56

07:45

What is the pressure drop …

07:22

In a very large closed tan…

04:18

A firehose must be able to…

01:39

02:59

(III) A fire hose exerts a…

04:47

Air at $900 \mathrm{kPa}$ …

09:31

Water at $20^{\circ} \math…

03:20

01:35

Water is siphoned from a l…

06:49

in this problem be how volume? Right off your off. 40 later. Converting this imbecile units with this this party into If you remember one later, Mr Ministry meeting you our second. So that is fucking in history. We take you for a second. Now that we have this, you know that the Nazis hasn't Ami drew off three centimeters, which means the radius is 1.5 centimeters. So now hear the velocity is simply you remember the rate of flow. The volume rate of flow is the last two times a day off cross section which means the velocity of flow is while you made off, inaugurated by area off cross section, simple as that. So that's 14 to tend. Bar minus three meter, cubed per second. You ended by area of the cross section Ease. I are square because it's circular. So that's pie in door 1.5 centimeters squared. So that's 1.5 10 minus two old square, Even with this is meter snow because you can order the syndicators in two meters. Now we can cancel the Mitre Square. Give me too cute to give us meters per second, which is exactly the units off velocity and the number of times over to be 56.6 Now. Similarly, for the equal to 90 meter radius is 4.5 centimeter and use the same from logging you give us for the injured and bar ministry divided by pi Indu 4.5 into 10 minus two. All squared, which gives us six point Wayde meter per second. No another. We know that we lost this. It's very easy to find that is a difference if you remember, pressure difference is people in my Speedo. Is it going tohave? M b two square minus. We want square using Bernoulli's still so simple. I'm sorry. Half raw. We describe my experience. Good. So it's a believes this half the density of water is 10 cube kilogram. Let me take you times 56.6 squared minus 6.2. Wait square Noticed that the units will be Just wait a second square, which is meter per second hole square. Now here you can cancel meter square, giving us katie meter per second squared Katie perimeter, second square and we can write that US Cajun meter per second squared by meter square 80 meter per second squared meter squared which is basically Newtons per meter squared, which is Paschal. And the number turns out to be 1.58 You tend bar six So one fine five rating Tend bar six passcodes. Now that you have this for Bobby, what is the height the water was? Should do If you remember, if you showed something with velocity B and the height it regis can be used. Found out using conservation of energy, M G H is equal to half of the square. Giving us a cheek will do. We square by 20 so here there last year is 56.6. So if if this expensive holds whereby to into G is 9.8 meters per second squared, which gives us 163 meters simplicity.

View More Answers From This Book

Find Another Textbook

11:14

(a) How high a hill can a car coast up (engine disengaged) if work done by f…

03:54

How many grams of coffee must evaporate from 350 g of coffee in a 100-g glas…

03:47

Suppose vou exert a force of 180 $\mathrm{N}$ tangential to a 0.280 -m-radiu…

Consider the 12.0 kg motorcycle wheel shown in Figure 10.38 . Assume it to b…

03:26

A geosynchronous Earth satellite is one that has an orbital period of precis…

03:10

A 60 -kg and a 90 -kg skydiver jump from an airplane at an altitude of $6000…

04:16

Suppose you attach the object with mass $m$ to a vertical spring originally …

With $2.56 \times 10^{6} \mathrm{J}$ of heat transfer into this engine, a gi…

01:29

Unreasonable ResultsWhat is wrong with the claim that a cyclical heat en…

01:43

Calculate the rotational kinetic energy in the motorcycle wheel (Figure 10.3…