impulse change 39 videos

Condensation
Physics Heat Transfer and Change of Phase
Understanding the process of condensation.
condensation phase change 
Average Velocity
Calculus The Derivative
How to compute the average velocity of an object moving in one dimension.
average velocity position height time change in position change in time 
Instantaneous Velocity
Calculus The Derivative
How to estimate the instantaneous velocity of an object at t=2 by computing average velocities over shorter and shorter intervals of time.
average velocity instantaneous velocity change in position change in time limits 
Electrolysis
Chemistry Electrochemistry
Understanding how electrical energy produces chemical changes.
electrolysis hydrolysis 
Transmutation
Chemistry Nuclear Chemistry
How radioactive elements change their identities through transmutation.
transmutation 
Finding the Slope of a Line from a Graph
Algebra Linear Equations and Their Graphs
How to find the slope of a line if given a graph.
slope change ratio fraction slope triangle 
The Method of Substitution
Calculus Antiderivatives and Differential Equations
How to evaluate an indefinite integral using the method of substitution.
antidifferentiation method of substitution change of variables derivatives differential 
Simple Substitutions
Calculus Antiderivatives and Differential Equations
How to use the method of substitution to avoid common integration mistakes.
antidifferentiation method of substitution change of variables derivatives differential 
Phase Diagrams
Chemistry KineticMolecular Theory
How to draw and interpret phase diagrams.
phase change diagrams pressure temperature sublimation 
Finding the Slope of a Line from a Graph
Algebra 2 Graphs of Linear Equations
How to find the slope of a line if given a graph.
slope change ratio fraction slope triangle 
The Definition of the Derivative
Calculus The Derivative
How to define the derivative of a function at a point x=a.
average rate of change slope secant line instantaneous rate of change tangent line limits derivative difference quotient 
Applied Linear Equations: Collection Problem
Precalculus Linear Equations and Inequalities
How to solve a word problem about how many dimes and quarters it takes to make a certain denomination.
collection change coins dimes quarter word problem denomination 
Habitat Destruction
Biology Conservation Biology
The definition and examples of habitat destruction.
habitat destruction natural habitat migration extinction climate change natural disaster 
Applied Linear Equations: Collection Problem
Algebra 2 Linear Equations
How to solve a word problem about how many dimes and quarters it takes to make a certain denomination.
collection change coins dimes quarter word problem denomination 
Strategies for the Writing Section
PSAT PSAT Prep
Get familiar with the PSAT Writing section, learn the main strategies to master it and improve your PSAT test score
focus attention on awkward sounding words and phrases learn to read literally avoid long answer choices be comfortable with no change 
Economics: Cost & Revenue
Calculus Applications of the Derivative
How to compute the average rate of change of the amount of a drug in a patient's bloodstream over an interval of time, and how to interpret whether the amount is increasing or decreasing over time.

Top 8 tips for the 20142015 common app
College counseling Make your college application shine
A video that shows you 8 tips for filling out the Common Application. A college admissions counselor explains how many changes you can make to the Common App before sending it to each college, including your college essay.
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