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8/28/2009
A. Brahmia
1
KINEMATICS IN ONE DIMENSION
• Kinematics
– Kinematics is the study of the motion of objects and involves the
study of the following concepts: distance, speed, acceleration, and
time.
– In this chapter we will discuss only one dimensional motion (Linear
motion).
• Displacement
– The displacement (
) is a vector that points from an object’s
initial position toward its final position and has a magnitude that
equals the shortest distance between the two positions.
x
G
Δ
KINEMATICS IN ONE DIMENSION.
..
• Speed
–T
h
e
average speed
of an object is determined by dividing the
distance that the object travels by the time required to travel that
distance.
–T
h
e
instantaneous speed
refers to the speed of an object at a
particular point in time.
time
Elapsed
Distance
speed
Average
=
•Velocity
–T
h
e
average velocity
of an object is determined by dividing the
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 Spring '08
 CROFT
 Physics, Acceleration

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