Math and Physics Help
Loading...
141
subscribers
155,344
video views
Uploaded videos
1-10 of 23-
Golden Ratio And Prime Number Spirals - An Amazing Pattern
AlexPleaseHelpDotCom
106 views
I showed you how to make the "seed" arrangement using the golden ratio here:
http://youtu.be/oHU4h6f1PxQ
If you remove all of the seeds whose index numbers are NOT prime n...
-
Make your own Golden Ratio Seed Pattern Using Excel
AlexPleaseHelpDotCom
178 views
You've seen what sunflowers look like and how their seeds are arranged, right? Right. The seeds are arranged in a very specific and beautiful way. They form spiral. But not...
-
An Exponentially Hard Logarithm Problem
AlexPleaseHelpDotCom
2,370 views
Or is it a logarithmically hard exponential problem? hmm...
This is a problem I came up with when playing around with logarithms one day. I say "I came up with" because ...
-
Homemade Fire Tornado!!
AlexPleaseHelpDotCom
49,896 views
Screen + bowl + sponges + lighter fluid + lazy susan + fire + angular acceleration = FIRE TORNADO!
-
How to Derive the Quadratic Formula - Where Does It Come From?
AlexPleaseHelpDotCom
1,759 views
This is a tutorial about how to derive the Quadratic Formula. Knowing how formulas and equations are derived and where they come from can be a major boon to a student's mat...
-
How to Find the Center of a Circle - Method 2
AlexPleaseHelpDotCom
9,902 views
http://www.alexpleasehelp.com/online/problems/center2
This is another way to find the center of a circle. With this method all that is required is a straight edge and a pi...
-
How to Draw Inscribed and Circumscribed Circles
AlexPleaseHelpDotCom
2,749 views
Tutorial on how to construct inscribed and circumscribed circles manually using pencil, paper, a straight edge, and a compass.
I used a program called Geogebra, but penc...
-
How to Construct a Regular Pentagon - Only Using a Straight Edge and Compass
AlexPleaseHelpDotCom
22,367 views
This is one of many ways to construct a true regular pentagon using pencil and paper. All that is required is a straight edge and a compass. You don't even need a ruler or ...
-
How To Find The Center Of A Circle - Method 1
AlexPleaseHelpDotCom
27,494 views
http://www.AlexPleaseHelp.com
This is a quick method for finding the center of a circle. I used a program called Geogebra, but you can use pencil, paper and a compass to...
-
Newton's Second Law - Static Equilibrium - Suspended Mass-Cable System
AlexPleaseHelpDotCom
8,772 views
http://www.AlexPleaseHelp.com
Example Physics Problem
A 200 kg mass is suspended from this cable system.
1) Find the tension in all three cables.
2) Wind starts blowing ...
Advertisement
Play all(23)