postage rate 29 videos

Reaction Rate Problems
Chemistry Chemical Reaction Rates
How to solve reaction rate problems.
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Reaction Rate Laws
Chemistry Chemical Reaction Rates
Finding and using the laws which predict reaction rates.
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Reaction Rates Factors
Chemistry Chemical Reaction Rates
The factors which affect the rate of a reaction.
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Instantaneous Rate of Change
Calculus The Derivative
How to estimate the instantaneous rate liquid is pouring out of a container at t=4 by computing average rates of change over shorter and shorter intervals of time.
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Average Rate of Change
Calculus The Derivative
How to compute the average rate of change of a population over an interval of time.
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Rate Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems involving rates of travel, possibly including wind or water current.
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Acceleration
Physics Linear and Projectile Motion
Understanding the acceleration of an object.
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Applied Linear Equations: Distance Problem
Precalculus Linear Equations and Inequalities
How to find the speed of transit when the time of two different legs is known.
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Geometric Sequences
Algebra 2 Sequences and Series
How to find the general term of a geometric sequence.
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Applied Linear Equations: Distance Problem
Algebra 2 Linear Equations
How to find the speed of transit when the time of two different legs is known.
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Geometric Sequences
Precalculus Sequences and Series
How to find the general term of a geometric sequence.
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Collision Theory
Chemistry Chemical Reaction Rates
How chemists use collision theory to understand reactions and explain reaction rates.
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Exponential Growth and Decay
Precalculus Exponential and Logarithmic Functions
How to find the doubling time of a population when the growth rate is given.
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The Definition of the Derivative
Calculus The Derivative
How to define the derivative of a function at a point x=a.
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