lecture2B

lecture2B - Physics 1A Lecture 2B "Your education is...

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Physics 1A Lecture 2B "Your education is ultimately the flavor left over after the facts, formulas, and diagrams have been forgotten." --Paul G. Hewitt
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Kinematics With the basic defnitions now in place we can turn to kinematics. Kinematics is the study oF motion. A set oF equations to describe a body in motion has been derived known as the kinematic equations. These equations assume that the acceleration oF the body in motion is constant in time.
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Kinematics An object starts with an initial velocity, v o , at t = 0 and accelerates with with a constant acceleration, a. What is its fnal velocity, v, at time, t? This is the frst kinematics equation!
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Kinematics Now let’s look at the defnition oF v avg again assuming a is constant and we start at t = 0: Also by looking at the graph, we fnd: This is the second kinematics equation!
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Kinematics Recall our frst kinematics equation: Re-substitute this velocity, v, back into our second kinematics equation: This is the third kinematics equation!
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Kinematics Recall our frst kinematics equation: Re-substitute this time, t, back into our second kinematics equation: This is the Fourth kinematics equation!
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Kinematics Recall that all 4 equations are based on the fact
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This note was uploaded on 04/09/2009 for the course PHYS 1A taught by Professor Onuchic during the Winter '07 term at UCSD.

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lecture2B - Physics 1A Lecture 2B "Your education is...

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