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Weird Medieval Sports Teacherflix 17 Views • 2 years ago

Thanks to Established Titles for sponsoring this video! Get 10% off on any purchase with code SimpleHistory. Go to https://establishedtitles.com/SimpleHistory and help support the channel!

Everyone is familiar with the Hollywood version of medieval jousts. The handsome knight galloping towards his sworn enemy, lance steady and stern, while his lady’s handkerchief gently sits next to his heart. But have you ever seen a joust that used boats instead of horses? Knights who practised hitting targets hung from masts in rivers instead of in training grounds? Watch how even some of the painted Maya, viking raiders or pious monks staved off their boredom. Through some truly odd ball games, they might leave you baffled and confused, and yet still have a part of you wanting to try them out yourself

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Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)
Script: Natasha Martell
Narrator:

Chris Kane
https://vocalforge.com/

Sources

Barber, Richard, and Juliet Barker. Tournaments: Jousts, Chivalry and Pageants in the Middle Ages. New York: Weidenfeld & Nicolson, 1989.
Brand, Jonathan. “Jeu de Paume: Holding Court in Paris”. Smithsonian Magazine, May 18th 2010.
Coss, Peter, and Maurice Keen. Heraldry, Pageantry and Social Display in Medieval England. Gateshead: Athenæum Press Ltd, 2003.
Cummins, John. The Hound and the Hawk: The Art of Medieval Hunting. New York: St Martin’s Press, 1988.
Cybulskie, Danièle. “Sports in Medieval London”. Accessed 7 June 2022.
Davies, Diane. “Ballgame – Pok-ta-Pok”. Accessed 7 June 2022.
Gillmeister, Heiner. Tennis: A Cultural History. Bristol: Equinox Publishing, 2017.
Gogosz Remigiusz. “Horse Fights: The Brutal Entertainment of the Icelanders in the Middle Ages”, Średniowiecze Polski i Powszechne (2014) pp. 17-32.
Henricks, Thomas S. “Sport and Social Hierarchy in Medieval England”, Journal of Sport History, Vol. 9, No.2 (1982) pp. 20-37.
Hjaltialin, Jon A. “On the Cvilisation of the First Iceleandic Colonists, with a Short Account of Some of Their Manners and Customs”, Transactions of the Ethnological Society of London, Vol. 6 (1868) pp. 176-182.
Kowaleski, Maryanne. “Medieval Towns: A Reader” (22 August, 2008).
Oggins, Robin S. The Kings and Their Hawks: Falconry in Medieval England. New Haven: Yale University Press, 2004.
Pattie, Tammy. “Medieval Games and Recreation”, Eastern Illinois University, (2011) pdf.
Scarborough, Vernon L. The Mesoamerican ballgame. Tucson : University of Arizona Press, 1991. Archive.org.
Thurber, B. A. “The Viking Ball Game”, Scandinavian Studies, volume 87, No.2 (2015) pp. 167-188.

Ion Concentration in Solutions From Molarity, Chemistry Practice Problems Teacherflix 17 Views • 2 years ago

This chemistry video tutorial explains how to calculate the ion concentration in solutions from molarity. This video contains plenty of examples and practice problems.

Stoichiometry Practice Test: https://www.youtube.com/watch?v=mP2Yg8alyR0

Solute, Solvent, & Solution:
https://www.youtube.com/watch?v=MDHlaTHbEgM

Strong & Weak Electrolytes:
https://www.youtube.com/watch?v=2U2DBWWo6nc

Molarity Practice Problems:
https://www.youtube.com/watch?v=o_iETsDSvkg

Ion Concentration In Solutions:
https://www.youtube.com/watch?v=H5S4TRAzXhQ

Dilution Problems:
https://www.youtube.com/watch?v=FPidlCmymVg

___________________________________
Types of Chemical Reactions:
https://www.youtube.com/watch?v=iIJD8RNLpS0

Solubility Rules:
https://www.youtube.com/watch?v=LnGIKtx_udE

Predicting The Products of Reactions:
https://www.youtube.com/watch?v=MYmrWHzT1oI

Activity Series of Metals:
https://www.youtube.com/watch?v=VatDpKMJ-BU

Will This Reaction Occur?
https://www.youtube.com/watch?v=ACSKrg2RBmY

Predicting Products of SR Reactions:
https://www.youtube.com/watch?v=s4OFBa7Uans

___________________________________
Double Replacement Reactions:
https://www.youtube.com/watch?v=d8vWIGf2mGE

Net Ionic Equations:
https://www.youtube.com/watch?v=0jhNouV9TNo

Writing Chemical Equations From Words:
https://www.youtube.com/watch?v=npyvZSBqyc0

Solution Stoichiometry:
https://www.youtube.com/watch?v=Ab3wfKjaWWQ

Molarity & Dilution Problems:
https://www.youtube.com/watch?v=-4E6rOkiw2I

Acid Base Neutralization Reactions:
https://www.youtube.com/watch?v=UfTJrAPjeys

____________________________________
Acid Base Titration Problems:
https://www.youtube.com/watch?v=HJvALCcKYAc

Mixture Problems:
https://www.youtube.com/watch?v=e2FAAMlAJ3c

Calculating Oxidation Numbers:
https://www.youtube.com/watch?v=j0hI-a6EWWo

Oxidation and Reduction Reactions:
https://www.youtube.com/watch?v=dF5lB7gRtcA

Balancing Redox Reactions:
https://www.youtube.com/watch?v=fdbrhQAM9Gw

Ideal Gas Law Problems:
https://www.youtube.com/watch?v=iaZ96KaQ44c

___________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

Sound Waves, Intensity level, Decibels, Beat Frequency, Doppler Effect, Open Organ Pipe - Physics Teacherflix 17 Views • 2 years ago

This physics video tutorial explains the concept of sound waves and how shows you how to calculate the wavelength, frequency, and velocity of sound waves. It also shows you how to calculate sound intensity, intensity level in dB or decibels, beat frequency, and how to solve problems with open and closed organ pipes / tubes plus the doppler effect. This video contains the formulas and equations that you need for this chapter / topic as well as many examples and practice problems.

My Website: https://www.video-tutor.net
Patreon Donations: https://www.patreon.com/MathScienceTutor
Amazon Store: https://www.amazon.com/shop/th....eorganicchemistrytut

Subscribe:
https://www.youtube.com/channe....l/UCEWpbFLzoYGPfuWUM

Here is a list of topics:
1. Sound Waves - Transverse vs Longitudinal Waves
2. Pressure Waves - Compression vs Expansion / Rarefaction
3. Speed of Sound vs Density, Elastic Modulus, and Temperature Equation / Relationship
4. Speed of Sound Calculations in Helium gas and in Seawater
5. Audible Range Frequency - 20 Hz to 20,000 Hz
6. Subsonic, Supersonic, Infrasonic, and Ultrasonic Vocabulary Terms
7. Pitch vs Loudness - Frequency vs Amplitude
8. Mechanical Waves - Trough, Crest, Period, Frequency - Cycles Per Second
9. Sound Intensity Formula - Power, Surface Area & Inverse Square Law
10. Power, Work, Energy and Time Calculations - Intensity
11. Units of Intensity - Watts per Square Meter
12. Sound Intensity Level Equation - Decibels - dB & Loudness
13. Intensity, Amplitude, Frequency, Speed and Density Formula
14. Threshold of Hearing Reference Intensity Level
15. Vibrating Molecules - Air Displacement vs Pressure
16. Standing Waves on a String Formulas
17. Wave Velocity, Tension Force, Linear Density of String / Wire - Mass Per Unit Length Problems
18. Nodes and Antinodes Physics
19. Fundamental Frequency and Harmonics Explained
20. Harmonic Motion, Overtones, and Octaves of Middle C
21. String Length, Wavelength and Frequency Calculations
22. Vibrating Columns of Air - Flute, Clarinet, and Pipe Organs
23. Pipe Organs - Closed at one end and open at both ends
24. Standing Waves - Open Tubes and Closed Tubes - Air Columns
25. Displacement of Air vs Pressure - Standing Wave, Nodes, & Loops
26. Odd Harmonics For Closed End Tube / Organ Pipe
27. Constructive and Destructive Interference
28. Principle of Superposition - Two Speakers Problem
29. Beat Frequency Physics
30. Doppler Effect - Sound in Motion - Frequency Shift
31. Wave Crest - Compression and Expansion -
32. Frequency of Observer and Source
33. Source Moving Toward and Away From Observer - Increasing vs Decreasing Frequency
34. Doppler Effect Problems - Police Car, Siren of Ambulance Truck, Direction of Moving Object or Observer, Speed of Sound in Seawater, and Reflected Wave Problem
35. Successive Harmonics and Fundamental Frequency
36. Frequency and Temperature Calculations

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