Solving IB Physics Problems Involving Ratios by Understanding Proportionality
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Many IB Physics exam questions
Many IB Physics exam questions involve solving for ratios and/or proportions. These questions can be handled using the methods shown in this video. This is one of the most practical video lessons on this channel. The algorithm is explained and then numerous examples are given.
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"I would just like to say a massive thank you to you for uploading your videos. I started the IB [and]decided to try HL Physics as it seemed interesting. It turned out to be very far from my forté and I was consistently getting 3s and 4s in tests and mock exams. So a few months before the exam period of this year, I began to panic...Then I discovered your channel. For four weeks prior to paper one, I virtually worshipped your videos, and worked along to them in my 'Big Book of Revision.' Last week, I received my results. Incredibly and almost unbelievably, I obtained a 6 in HL Physics. Not only that, but I was 3 marks off a 7."
00:00 Introduction
00:20 Data Booklet Formulas
01:53 Ratio Proportionality Equations
05:58 Ex Centripetal Acceleration
07:31 Ex 2 Luminosity Mass
08:48 Ex 3 Connected Flasks
11:11 Ex 4 Radius Mass number
13:04 Ex 5 density of stars
17:30 Summary Algorithm
Improve your grades from 2's and 3's to 6's and 7's. Benefit from my 25+ years of teaching IB Physics and my MSc in Physics.
Still 150+ free and 60+ exclusive videos. 10% of proceeds to charity. For IA mentoring or Online tutoring watch Video and/or Video
Click JOIN to become a member of C. Doner’s IB Physics Youtube Channel, or become a patron by visiting Patreon: cdoner.
Level/Tier 1: $1.99 per month gives you access to a google sheet with a full updated, well organized, linked listing of all the videos and other resources such as notes, worksheets and solution sets.
Level/Tier 2: $4.99 per month gives you access to new videos. The new videos include IB style multiple choice and problem solving questions with full explanations, previews/reviews of the course content, and updates to the video lessons.
After becoming a member, go to bit.ly/donervidlist and request access to the video listing.
"I would just like to say a massive thank you to you for uploading your videos. I started the IB [and]decided to try HL Physics as it seemed interesting. It turned out to be very far from my forté and I was consistently getting 3s and 4s in tests and mock exams. So a few months before the exam period of this year, I began to panic...Then I discovered your channel. For four weeks prior to paper one, I virtually worshipped your videos, and worked along to them in my 'Big Book of Revision.' Last week, I received my results. Incredibly and almost unbelievably, I obtained a 6 in HL Physics. Not only that, but I was 3 marks off a 7."
00:00 Introduction
00:20 Data Booklet Formulas
01:53 Ratio Proportionality Equations
05:58 Ex Centripetal Acceleration
07:31 Ex 2 Luminosity Mass
08:48 Ex 3 Connected Flasks
11:11 Ex 4 Radius Mass number
13:04 Ex 5 density of stars
17:30 Summary Algorithm
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