• #### Work-Energy Theorem

##### Science›Physics›Energy and Momentum
Applying and understanding the work-energy theorem.
• #### Work Word Problems - Concept

##### Math›Algebra›Word Problems Using Systems of Equations
How to solve word problems when 2 people are doing a work job together.
• #### Work Word Problems - Problem 2

##### Math›Algebra›Word Problems Using Systems of Equations
How to solve word problems when 2 people are doing a work job together.
• #### Work Word Problems - Problem 1

##### Math›Algebra›Word Problems Using Systems of Equations
How to solve word problems when 2 people are doing a work job together and there is a fractional answer.
• #### Work Word Problems - Problem 3

##### Math›Algebra›Word Problems Using Systems of Equations
Algorithm for solving "work" word problems including shared job and individual job completion times
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• #### Why SSA and AAA Don't Work as Congruence Shortcuts - Concept

##### Math›Geometry›Triangles
How to determine which congruence shortcuts do not work and why.
• #### Concept

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A video that explains what to do over the summer for a more successful college application. A college admissions expert gives you a complete list of things you need to do.
• #### Diffraction

##### Science›Physics›Vibration and Waves
An explanation of diffraction and how diffraction works.
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diffraction
• #### Power

##### Science›Physics›Energy and Momentum
Understanding the concept of power.
• #### Concept

##### Science›Chemistry›Chemical Reactions
How to use stoichiometry to work with chemical equations.
• #### Physics Mirrors

##### Science›Physics›Light
How convex and concave mirrors work.
• #### Physics Lenses

##### Science›Physics›Light
How lenses work.
• #### Black Holes

##### Science›Physics›Gravitation
How black holes work.
• #### Doppler Effect

##### Science›Physics›Vibration and Waves
Understanding how the Doppler Effect works.
• #### Parabolic Motion

##### Science›Physics›Linear and Projectile Motion
How parabolic motion works.
• #### Projectile Motion

##### Science›Physics›Linear and Projectile Motion
How projectile motion works.
• #### Square Roots - Problem 1

##### Math›Pre-Algebra›Decimals and Percents
Squaring and finding a square root as opposite operations, including work with negatives
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• #### Linear Motion

##### Science›Physics›Linear and Projectile Motion
How linear motion works.
• #### Multiplying Complicated Polynomials - Problem 2

##### Math›Algebra 2›Polynomials
3 methods for organizing work when multiplying two trinomials.
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