change in time 57 videos

Exponential Growth and Decay
Precalculus Exponential and Logarithmic Functions
How to find the doubling time of a population when the growth rate is given.
exponential growth exponential functions doubling time logarithmic functions the natural logarithm round off error 
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.

Definition of Slope
Algebra Linear Equations and Their Graphs
How to understand the idea of slope.
slope change ratio fraction 
Evaporation
Physics Heat Transfer and Change of Phase
Understanding the process of evaporation.
evaporation phase change 
Condensation
Physics Heat Transfer and Change of Phase
Understanding the process of condensation.
condensation phase change 
Acceleration
Physics Linear and Projectile Motion
Understanding the acceleration of an object.
acceleration rate of change velocity 
Area of Parallelograms
Geometry Area
How to find the area of any parallelogram using rectangle area formulas.
area of rectangles base times height 
Average Speed
Physics Linear and Projectile Motion
How to calculate average speed.
average speed total distance time 
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 
SpeedInstantaneous Speed
Physics Linear and Projectile Motion
Understanding the differences between speed and instantaneous speed.
speed instantaneous speed distance time mechanics 
Setting in Story
Writing Writing Terms
The importance of setting in a story.
setting time location story takes place