angle between vectors 161 videos

Rotation and Revolution
Physics Circular Motion and Rotational Mechanics
Understanding the differences between rotations and revolutions.
rotation revolution axis spin orbit 
Intermolecular Forces
Chemistry Chemical Bonds
Understanding the forces acting between molecules.
intermolecular forces hydrogen bonds dipole dipole london dispersion forces 
Colloids  Suspensions
Chemistry Chemical Solutions
Understanding the differences between colloids and suspensions.
brownian motion tyndall effect colloids suspensions 
Evaluating the Tangent Function
Trigonometry Trigonometric Functions
How to evaluate the tangent of 3*pi/4.
tangent quadrants reference angles 
Evaluating the Tangent Function
Precalculus Trigonometric Functions
How to evaluate the tangent of 3*pi/4.
tangent quadrants reference angles 
Similar Triangles in Circles and Right Triangles
Geometry Similarity
How to determine if two triangles in a circle are similar and how to prove that three similar triangles exist in a right triangle with an altitude.
similar inscribed angles intercepted arc right angle circle 
Parallelogram Properties
Geometry Polygons
How to identify all of the special properties of parallelograms and use them to solve problems.
opposite sides parallel opposite angles same side interior angles diagonals bisect consecutive angles rhombus rectangle square 
Parametrizing a Line Segment
Precalculus Vectors and Parametric Equations
How to write the parametric equations of a line segment that goes from point A to point B.
vector equation line segment parametric equations 
Postulate, Axiom, Conjecture
Geometry Geometry Building Blocks
How to differentiate between the words postulate, axiom, and conjecture.
postulate axiom conjecture 
Constructing a Perpendicular to a Line
Geometry Constructions
How to find the shortest distance between a point and a line.
construction midpoint perpendicular equidistant shortest distance to a line 
SpeedInstantaneous Speed
Physics Linear and Projectile Motion
Understanding the differences between speed and instantaneous speed.
speed instantaneous speed distance time mechanics 
Centrifugal Force
Physics Circular Motion and Rotational Mechanics
Recognizing the differences between centripetal and centrifugal force.
centrifugal force centripetal force centrifuge 
Symbiotic Relationships
Biology Communities and Ecosystems
Understanding the relationships between organisms living in a community.
symbiotic relationships mutualism commensalism parasitism predation 
Empirical Formula  Molecular Formula
Chemistry Chemical Reactions
Understanding the differences between empirical and molecular formulas.
empirical formula molecular formula percent composition 
Heterogeneous Equilibrium  Homgeneous Equilibrium
Chemistry Chemical Equilibrium
Understanding the difference between homogeneous and heterogeneous equilibrium.
homogeneous heterogeneous equilibrium 
Regelation
Physics Heat Transfer and Change of Phase
Understanding the relationship between pressure and state of matter.
regelation freezing point freeze 
Converting Decimals, Percents, Fractions
PreAlgebra Decimals and Percents
How to convert between fractions, decimals, and percents

Slope
Algebra 2 Graphs of Linear Equations
How to find the slope between two points.
slope formula slope 
Rational Exponents
Algebra 2 Roots and Radicals
How to understand the correlation between radicals and fractional exponents.
rational exponents fractional exponents radical 
Analyzing Data
Algebra 2 Real Numbers
How to distinguish between mean, median and mode.
measures of central tendencies mean median mode average