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Acceleration
The final mathematical quantity discussed in Lesson 1 is acceleration. An often confused quantity, acceleration…
Posted inEngineering Physics
Average Speed versus Instantaneous Speed
Since a moving object often changes its speed during its motion, it is common to…
Posted inEngineering Physics
Calculating Average Speed and Average Velocity
As an object moves, it often undergoes changes in speed. For example, during an average…
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Velocity as a Vector Quantity
Velocity is a vector quantity that refers to "the rate at which an object changes its position." Imagine…
Posted inEngineering Physics
Speed and Velocity
Just as distance and displacement have distinctly different meanings (despite their similarities), so do speed…
Posted inEngineering Physics
Distance and Displacement
Distance and displacement are two quantities that may seem to mean the same thing yet…
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Scalars and Vectors
Physics is a mathematical science. The underlying concepts and principles have a mathematical basis. Throughout…
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Kinematics
Describing Motion with Words Introduction to the Language of Kinematics IntroductionScalars and VectorsDistance and DisplacementSpeed…
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Blackbody Radiation
A blackbody refers to an opaque object that emits thermal radiation. A perfect blackbody is one that absorbs…
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Newton’s Law of Cooling
Newton's Law of Cooling states that the rate of change of the temperature of an…