Great hands on project for any Trig class. Get the students out of their seats and make something to solidify their understanding of trigonometry.
Trig the ultimate fraction application.

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ColfaxMath

Learn how to use cheap or free household items to make a surveying tool to do real life trigonometry. All math is shown. High resolution images: https://imgur.com/gallery/LcEH2. Note: I make a verbal (but not visual) error at around the 18:00 mark: The internal angles of a triangle add to 180-degrees. I wrote it correctly on the paper but my spoken narration was incorrect. Sorry for the mistake. Combine this surveying tool, used to compute height, with the following parallax tool, used to compute distance, to find the distance to and height of objects: https://youtu.be/ECtCir1ApE4.
TRIG AND SACRED GEOMETRY HOW TO DIY SERIES:
For introductory trig and sacred geometry videos and a tutorial on radian calculations, see other videos in this series:
- Part 1: How to Draw the Trig Unit Circle, Degrees, and Radians Using Sacred Geometry (https://youtu.be/FejH5tS_Rpk)
- Part 2: Sacred Trigonometry Art: Draw a Cube Inside Unit Circle (https://youtu.be/5fNbIBiqXp8)
- Part 3: A Radian Is a Portion of the Total Circumference of the Circle (https://youtu.be/cu7s8FirQAM)
- Part 4: How to Draw All Trig Functions Using Sacred Geometry (https://youtu.be/rfLCCdrKvEc)
- Part 5: How to Solve Trig Problems with Sacred Geometry: Part 1/2 (https://youtu.be/6zcRq1Y2zFE)
- Part 6: How to Solve Trig Problems with Sacred Geometry: Part 2/2 (https://youtu.be/ybuHGypyL8o)
- Part 7: How to Draw: Great Pyramid Triangle Using Phi, Fibonacci Spirals, and Sacred Geometry (https://youtu.be/YyxNqnIWomE)
- Part 8: How To Do Phi φ Trig Using Sacred Geometry: Part 1/3 (https://youtu.be/TYGGGk8rGMY)
- Part 9: How To Do Phi φ Trig Using Sacred Geometry: Part 2/3 (https://youtu.be/1elaR3YzvB4)
- Part 10: How To Do Phi φ Trig Using Sacred Geometry: Part 3/3 (https://youtu.be/-xGopWSi8V8)
- Part 11: DIY TRIG: How to Make a Surveying Tool to Find the Height of Anything https://youtu.be/-nQ0idJf0aA
- Part 12: FIBONACCI CUBES: How to Draw the Fibonacci Sequence Using Cubes https://youtu.be/JFIFFAd5hQU
- Part 13: How to Draw the Great Pyramid (Fast Motion with Music) https://youtu.be/UN-u6lLsBgc
- Part 14: PHI STAR: How to Draw Pentacle with Phi Proportions and Fibonacci Spirals (Sacred Geometry) https://youtu.be/2x5gIR6D3cY
- Part 15: Phi TOE: Phi is the Theory of Everything (Sacred Geometry) https://youtu.be/DcJGgigrrhk
- Part 16: DIY TRIG: How to Build a Parallax Tool and Find the Distance to Anything https://youtu.be/ECtCir1ApE4TRIG AND SACRED GEOMETRY HOW TO DIY SERIES:
For introductory trig and sacred geometry videos and a tutorial on radian calculations, see other videos in this series:
- Part 1: How to Draw the Trig Unit Circle, Degrees, and Radians Using Sacred Geometry (https://youtu.be/FejH5tS_Rpk)
- Part 2: Sacred Trigonometry Art: Draw a Cube Inside Unit Circle (https://youtu.be/5fNbIBiqXp8)
- Part 3: A Radian Is a Portion of the Total Circumference of the Circle (https://youtu.be/cu7s8FirQAM)
- Part 4: How to Draw All Trig Functions Using Sacred Geometry (https://youtu.be/rfLCCdrKvEc)
- Part 5: How to Solve Trig Problems with Sacred Geometry: Part 1/2 (https://youtu.be/6zcRq1Y2zFE)
- Part 6: How to Solve Trig Problems with Sacred Geometry: Part 2/2 (https://youtu.be/ybuHGypyL8o)
- Part 7: How to Draw: Great Pyramid Triangle Using Phi, Fibonacci Spirals, and Sacred Geometry (https://youtu.be/YyxNqnIWomE)
- Part 8: How To Do Phi φ Trig Using Sacred Geometry: Part 1/3 (https://youtu.be/TYGGGk8rGMY)
- Part 9: How To Do Phi φ Trig Using Sacred Geometry: Part 2/3 (https://youtu.be/1elaR3YzvB4)
- Part 10: How To Do Phi φ Trig Using Sacred Geometry: Part 3/3 (https://youtu.be/-xGopWSi8V8)
- Part 11: DIY TRIG: How to Make a Surveying Tool to Find the Height of Anything https://youtu.be/-nQ0idJf0aA
- Part 12: FIBONACCI CUBES: How to Draw the Fibonacci Sequence Using Cubes https://youtu.be/JFIFFAd5hQU
- Part 13: How to Draw the Great Pyramid (Fast Motion with Music) https://youtu.be/UN-u6lLsBgc
- Part 14: PHI STAR: How to Draw Pentacle with Phi Proportions and Fibonacci Spirals (Sacred Geometry) https://youtu.be/2x5gIR6D3cY
- Part 15: Phi TOE: Phi is the Theory of Everything (Sacred Geometry) https://youtu.be/DcJGgigrrhk
- Part 16: DIY TRIG: How to Build a Parallax Tool and Find the Distance to Anything https://youtu.be/ECtCir1ApE4
AUDIO/VIDEO EQUIPMENT AND SOFTWARE:
- All initial recording done using OBS (free)
- Editing done with Shotcut (free)
- Camera is Logitech HD 1080P
- Recording device is Logitech Gaming Headset
ABOUT CHANNEL:
- Channel Link: https://www.youtube.com/channel/UCTc2zU8GChivvfndzcEspIw?
- Channel artwork "Red Pill Sacred Geometry" courtesy of Giulia
- Flower of Life by Kick from the Noun Project
- All videos are licensed under the Creative Commons Attribution License 3.0 Unported (CC by 3.0) which means you are free to use this content so long as you attribute it to the Athenian Stranger YouTube Channel https://creativecommons.org/licenses/by/3.0/

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Athenian Stranger

Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! :) https://www.patreon.com/patrickjmt !! Finding the Height of an Object Using Trigonometry, Example 1. In this video, I find the height of a balloon by knowing a horizontal distance and an angle.

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patrickJMT

104 - Wave Period and Frequency
In this video Paul Andersen explains how the period is the time between wave and the frequency is the number of waves per second. Period is measured in seconds and frequency is measured in Hertz. Wave period and wave frequency are reciprocals of one another. After watching this video you will be able to determine the period (and therefore the frequency) using a position vs. time graph of a wave.
Do you speak another language? Help me translate my videos:
http://www.bozemanscience.com/translations/
Music Attribution
Title: String Theory
Artist: Herman Jolly
http://sunsetvalley.bandcamp.com/track/string-theory
All of the images are licensed under creative commons and public domain licensing:
igjav, Ignacio javier. English: A Simple Red Lamp, Modern Look, July 27, 2011. Own work. http://commons.wikimedia.org/wiki/File:Bombilla_roja_-_red_Edison_lamp.svg.
———. Italiano: Icona Di Una Lampadina Spenta Realizzata in Svg, June 2, 2012. File:Bombilla amarilla - yellow Edison lamp.svg. http://commons.wikimedia.org/wiki/File:Gray_Edison_lamp.svg.
“Wave on a String.” PhET. Accessed April 13, 2015. http://phet.colorado.edu/en/simulation/wave-on-a-string.

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Bozeman Science

Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug
Bridges... bridges, bridges, bridges. We talk a lot about bridges in Physics. Why? Because there is A LOT of practical physics that can be learned from the planning and construction of them. In this episode of Crash Course Physics, Shini talks to us about a particular mistake made in engineering the Millennium Bridge which allows us to talk about simple harmonic motion.
--
Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
--
Want to find Crash Course elsewhere on the internet?
Facebook - http://www.facebook.com/YouTubeCrashC...
Twitter - http://www.twitter.com/TheCrashCourse
Tumblr - http://thecrashcourse.tumblr.com
Support CrashCourse on Patreon: http://www.patreon.com/crashcourse
CC Kids: http://www.youtube.com/crashcoursekids

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CrashCourse

Traveling Waves, Standing Waves, Resonances, String Instruments, Wind Instruments, Musical Instruments
Lecture Notes, Oscillating Sound Cavities - Fundamentals of Wind Instruments: http://freepdfhosting.com/e79d2b1fa9.pdf
Assignments Lecture 26, 27 and 28: http://freepdfhosting.com/20495b808e.pdf
Solutions Lecture 26, 27 and 28: http://freepdfhosting.com/7759a06b8d.pdf

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Lectures by Walter Lewin. They will make you ♥ Physics.

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.
Fundamentals of Physics, II (PHYS 201)
Young's double slit experiment shows clearly that light is a wave. (In order to observe the wave behavior of light, the slit size and separation should be comparable or smaller than the wavelength of light.) Interference is described using real and complex numbers (in anticipation of quantum mechanics). Grating and crystal diffraction are analyzed.
00:00 - Chapter 1. Revisions to Geometric Optics
08:20 - Chapter 2. Young's double slit experiment
50:52 - Chapter 3. Interference and Diffraction of Light
Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses
This course was recorded in Spring 2010.
For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Просмотров: 159445
YaleCourses

In this video David explains moment of inertia and the rotational version of Newton's second law and shows how to solve an example problem.
Watch the next lesson: https://www.khanacademy.org/science/physics/torque-angular-momentum/torque-tutorial/v/more-on-moment-of-inertia?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/torque-angular-momentum/torque-tutorial/v/finding-torque-for-angled-forces?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy

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Khan Academy Physics

MIT 2.003SC Engineering Dynamics, Fall 2011
View the complete course: http://ocw.mit.edu/2-003SCF11
Instructor: J. Kim Vandiver
License: Creative Commons BY-NC-SA
More information at http://ocw.mit.edu/terms
More courses at http://ocw.mit.edu

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MIT OpenCourseWare

A description of Simple Harmonic Motion, including its definition, and examples of SHM in the form of oscillating springs and pendulums.

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DrPhysicsA

Jessica Arguelles, Skylar Weatherford, and Jeddson "Jedd-yo: Salud
Period 2 Honors Pre-Cal

Просмотров: 96
Math Math

Piping,Welding,Non Destructive Examination-NDT
Common Piping Angles and their Solutions,Known and Unknown Angles and Angle Chart,Solving Rolling Offsets,mitered Pipe Cuts,Multipiece Mitered turns, "Y" Layout,90 deg. Saddle on (tees) Standard Weight Pipe,Pipe Circumference Divided into Equal Parts,90 deg.on (tees) extra Strong Pipe,90 deg. Eccentric Pipe Intersections, 45 deg. laterals,Concentric and Eccentric Supports on 90 deg. Long Radius Elbow,3 Types,Angle between Bolt Holes of Flanges, Pipe template layout,orange Peel head layout,Concentric Reducer Layout,Eccentric Reducer Layout,laying out Bolt Holes in Flanges,laying Out Ordinate Lines and lengths,Tank coil layout,Angle Iron Miter Cuts and Brackets,Special Offsets and Solutions,Slip or Spectacle Blind Data,Centers of Eccentric reducers and Eccentric Flanges,Centers of 15 deg.,221/2,30 & 60 deg. Butt Weld Elbows from 90 deg. Long Radius Elbows,Pipe Thread,Dimension of Weldolet on Pipe, Dimension of Socket Weld & Screwed Fittings, Dimension of Flanges Cast Steel Valves,Dimension of Flanges Cast Steel Fittings,Commercial Pipe Sizes & Welding Fittings,General Dimension of Welding Fittings,General Dimension of Forged Steel Flanges,Bolt,Gasket & Ring Joint Number Charts,Wrench Sizes,Drill Sizes for Pipe Taps,& Tap Drill Size Charts,Bolt Charts for Orifice Type Flange,Outside & Inside Diameter of Pipe& Flange Bores,Comparison Chart for Packing & gasket materials,Hand Signal for boom Operated Equipment,Hand Signal for Overhead & gantry Cranes,Useful Information,Pipe Expansion,Pipe Bends,Circle,Inches&Feet Converted to millimeters,Conversion Constant,Decimal Equivalents,Fractions& millimeters,Safe Loads,for Wire and Manila Rope Charts,Decimal of a Foot,minutes converted to Decimals of a Degree and trigonometric formulas,Pipe& Water Weight Per Line Foot &Feet head of Water to PSI,Wire bending,Symbols,Computation.
Playlist Piping https://www.youtube.com/playlist?list=PLcAzKoCrAxLSJr1taf2sDePXYE_wMgKsy

Просмотров: 2699
PipingWeldingNonDestructiveExamination-NDT

Geometry Teachers Never Spend Time Trying to Find Materials for Your Lessons Again!
Join Our Geometry Teacher Community Today!
http://geometrycoach.com/Geometry-Lesson-Plans/?pa=MOOMOOMATH
How do you use the arc length of a circle to find the diameter of a circle?
We will look at some application problems using sector area and arc length
A pie is cut into 6 equal pieces. The arc length of one piece of pie is 5.4 cm. What is the diameter of the pie?
So our strategy is to always draw a picture.
Let's start by drawing a picture of the pie and assume it is a circular pie. Let's draw 6 equal pieces. If we have 360 degrees divided by into 6 pieces our central angle is going to be 60 degrees. This gives you an idea of what we are working with. What we will do is use a " Proportion Method" to find the circumference, and then use the circumference to calculate diameter.
The proportion method it works like this. We take the arc length and put it over the circumference and set it equal to measure of the angle over 360 degrees. So let's plug in what we know. The arc length equals is 5.4 and we don't know circumference which will become x, and angle measure equals 60 degrees.
We then cross product1 times x and 6 times 5= 32.4 which equals my circumference.
Next we can work backwards to find the diameter.
Circumference = Diameter times Pi which is 32.4. So I will take 32.4 and divide it by Pi and I get 10.31
The pie's diameter is 10.31 centimeters.
That is how you use the arc length to find diameter of a circle.
You may also enjoy...
Circles Radius Diameter & Pi Math Learning Upgrade
https://www.youtube.com/watch?v=eiHWHT_8WrE
Diameter of a Circle Calculate diameter given circumference
https://www.youtube.com/watch?v=XGYqyYz29zo
-~-~~-~~~-~~-~-
Please watch: "Study Skills Teacher's Secret Guide to your Best Grades"
https://www.youtube.com/watch?v=f3bsg8gaSbw
-~-~~-~~~-~~-~-

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MooMoo Math and Science

In the mid-20th century we began launching satellites into space that would help us determine the exact circumference of the Earth: 40,030 km. But over 2000 years earlier, a man in Ancient Greece came up with nearly the exact same figure using just a stick and his brain.
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Business Insider is the fastest growing business news site in the US. Our mission: to tell you all you need to know about the big world around you. The BI Video team focuses on technology, strategy and science with an emphasis on unique storytelling and data that appeals to the next generation of leaders – the digital generation.

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Business Insider

In this video David explains how a phase constant can be used in order to shift the graph of an oscillator left or right. Created by David SantoPietro.
Watch the next lesson: https://www.khanacademy.org/science/physics/mechanical-waves-and-sound/harmonic-motion/v/pendulum?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/mechanical-waves-and-sound/harmonic-motion/v/period-dependance-for-mass-on-spring?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy

Просмотров: 75022
Khan Academy Physics

In this video David explains the equation that represents the motion of a simple harmonic oscillator and solves an example problem. Created by David SantoPietro.
Watch the next lesson: https://www.khanacademy.org/science/physics/mechanical-waves-and-sound/harmonic-motion/v/period-dependance-for-mass-on-spring?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/mechanical-waves-and-sound/harmonic-motion/v/definition-of-amplitude-and-period?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy

Просмотров: 152894
Khan Academy Physics

In this lesson I explain the relationship between the lateral area of a right circular cone allows us to find the Area of a Surface of Revolution.
Rule for Area of a Surface of Revolution at 16:37 ,
Example with a horizontal axis of rotation at 19:11 NOTE: at 19:44 I should say "2PI times the definite integral from a to b..."
Example with a vertical axis of rotation at 28:02 ,
Example finishing with numerical integration with a calculator 33:57
Check out http://www.ProfRobBob.com, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com

Просмотров: 8232
ProfRobBob

Demonstrating when a pendulum is in simple harmonic motion. Want Lecture Notes? http://www.flippingphysics.com/shm-pendulum.html This is an AP Physics 1 topic.
Content Times:
0:09 Reviewing simple harmonic motion
0:24 Showing a pendulum in simple harmonic motion
1:47 Velocities in simple harmonic motion
2:15 Accelerations in simple harmonic motion
2:57 A pendulum’s restoring force
5:07 A maximum of 15°
Thank you to Anish, Kevin, and Olivia for being my “substitute students” in this video!
Next Video: Demonstrating What Changes the Period of Simple Harmonic Motion
http://www.flippingphysics.com/shm-period.html
Multilingual? Please help translate Flipping Physics videos!
http://www.flippingphysics.com/translate.html
Previous Video: Horizontal vs. Vertical Mass-Spring System
http://www.flippingphysics.com/mass-spring-horizontal-vertical.html
Please support me on Patreon!
http://patreon.com/FlippingPhysics
Thank you to Jonathan Everett for being my Quality Control Team for this video.
http://flippingphysics.com/quality-control.html
Thank you to Youssef Nasr for transcribing the English subtitles of this video.

Просмотров: 2242
Flipping Physics

End of Year projects in sixth grade are open ended, allowing students to pick a topic that they would like to explore on the own. Since students are given little guidance, they are allowed the freedom to find ways that work and don’t work, and see the importance of planning. Mr. Holloway takes you behind the scenes for his End of Year Math projects. Read more here: http://powhatanschool.org/pulse/in-the-classroom/end-year-math-projects/
interested in more math videos:
Algebra I Class | Concussion Testing and Standard Deviation: https://youtu.be/jo1Im4E_HDQ
Geometry Class | Field Day Overview: https://youtu.be/hwBJFXBDOvM
Talking MATHCOUNTS: https://youtu.be/58Y1xdgRGpQ
Geometry of Field Day: https://youtu.be/v-E_bIxBcnc
Camp Counselors: https://youtu.be/qJUT8LlOExI
Upper School Retreat 2015: https://youtu.be/c3AwuxICmWg
Upper School Retreat 2014: https://youtu.be/-NFGkcuNfsY

Просмотров: 244
PowhatanSchool

This video introduces cylindrical coordinates and shows how to convert between cylindrical coordinates and rectangular coordinates.
http://mathispower4u.yolasite.com/

Просмотров: 66719
Mathispower4u

Featuring Dr. Stan Wagon, Professor of Mathematics - Macalester College. There is no better way to get someone's attention than with an assertion that just seems obviously wrong. Math is full of such things. The talk presents several surprising, even shocking, things from elementary mathematics, such as: A square wheel that rolls perfectly smoothly. A device that uses a normal rotating crankshaft to drill perfect square holes. An application of a non-circular wheel to sewage disposal. A shocking cake puzzle. Surprising new formulas for π. Benford's mysterious law of first digits. The Banach-Tarski Paradox, with constructible pieces.

Просмотров: 6426
UNCA Ramsey Library Video Production

როგორ უნდა შევქმნათ ექსელში ახალი ფუნქციები VBA საშუალებით.
Help us caption & translate this video!
http://amara.org/v/BK9r/

Просмотров: 554
probnoblem

► My Applications of Derivatives course: https://www.kristakingmath.com/applications-of-derivatives-course
Related rates problems are an application of derivatives and implicit differentiation that allow us to figure out how fast one thing is changing in relation to how fast something else is changing. For example, we might be interested in how fast an airplane is traveling compared to how fast the angle between the plane and an observer on the ground is changing.
Related rates problems allow us to do that by using implicit differentiation. We'll usually take the derivative of the equation, taking the derivative of every variable with respect to time t. Then we'll plug in for what we know and solve for the value we're interested in.
The key to related rates problems is getting the right equation set up. You need to figure out what equation you can write that will include the value you need to solve for. In addition to that, you may have to come up with a second equation that will give you the value for a missing variable that you need to plug into your first equation.
● ● ● GET EXTRA HELP ● ● ●
If you could use some extra help with your math class, then check out Krista’s website // http://www.kristakingmath.com
● ● ● CONNECT WITH KRISTA ● ● ●
Hi, I’m Krista! I make math courses to keep you from banging your head against the wall. ;)
Math class was always so frustrating for me. I’d go to a class, spend hours on homework, and three days later have an “Ah-ha!” moment about how the problems worked that could have slashed my homework time in half. I’d think, “WHY didn’t my teacher just tell me this in the first place?!”
So I started tutoring to keep other people out of the same aggravating, time-sucking cycle. Since then, I’ve recorded tons of videos and written out cheat-sheet style notes and formula sheets to help every math student—from basic middle school classes to advanced college calculus—figure out what’s going on, understand the important concepts, and pass their classes, once and for all. Interested in getting help? Learn more here: http://www.kristakingmath.com
FACEBOOK // https://www.facebook.com/KristaKingMath
TWITTER // https://twitter.com/KristaKingMath
INSTAGRAM // https://www.instagram.com/kristakingmath/
PINTEREST // https://www.pinterest.com/KristaKingMath/
GOOGLE+ // https://plus.google.com/+Integralcalc/
QUORA // https://www.quora.com/profile/Krista-King

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Krista King

How to measure for an elliptical archway is a short video demonstrating how to gather the key measurements needed before placing an order with www.archwaysandceilings.com

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Archways & Ceilings

Second semester of Classical Physics avail FREE with lectures, assignments, quizzes/Tests, discussions, G+ Hangouts @ World Mentoring Academy(a MOOC) http://worldmentoringacademy.com/www/...
Help make Foreign Language CC's:
Dr. Lewin's complete MIT physics lectures, now on the YouTube channel World Mentoring Academy(a MOOC)
This video was first published on the YouTube channel MIT OpenCourseWare under the title "Walter Lewin Promo" in 2007.
Attribution: MIT OpenCourseWare
License: Creative Commons BY-NC-SA 3.0 US
To view a copy of this license, visit http://creativecommons.org/licenses/b....
More information at http://ocw.mit.edu/terms/.
This YouTube channel is independently operated. It is neither affiliated with nor endorsed by MIT, MIT OpenCourseWare, the Internet Archive, or Dr. Lewin.

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Michael Williams

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Larson Texts

A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position. When released, the restoring force combined with the pendulum's mass causes it to oscillate about the equilibrium position, swinging back and forth. The time for one complete cycle, a left swing and a right swing, is called the period. The period depends on the length of the pendulum, and also to a slight degree on the amplitude, the width of the pendulum's swing.
From its discovery in around 1602 by Galileo Galilei, the regular motion of pendulums was used for timekeeping, and was the world's most accurate timekeeping technology until the 1930s. Pendulums are used to regulate pendulum clocks, and are used in scientific instruments such as accelerometers and seismometers. Historically they were used as gravimeters to measure the acceleration of gravity in geophysical surveys, and even as a standard of length. The word 'pendulum' is new Latin, from the Latin pendulus, meaning 'hanging'.
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A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position. When released, the restoring force combined with the pendulum's mass causes it to oscillate about the equilibrium position, swinging back and forth. The time for one complete cycle, a left swing and a right swing, is called the period. The period depends on the length of the pendulum and also on the amplitude of the oscillation. However, if the amplitude is small, the period is almost independent of the amplitude.
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