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Kinematics
N/A
20
Physics
12th Grade
09/26/2009

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Term
Kinematics
Definition
The science of describing the motion of objects using words, diagrams, numbers, graphs, and equations.
Term
Scalar quantities
Definition
described by a magnitude (6 cm)
Term
Vector
Definition
described by magnitude and DIRECTION (5m, east)
Term
Distance
Definition
how much ground covered (AtoB)+(BtoC)+(CtoD)= distance
Term
Displacement
Definition
measure of change in position (lowest time location)+(highest time's location)= displacement (with DIRECTION)
Term
Speed
Definition
how fast the object is moving
Term
average speed
Definition
(AtoB)+(BtoC)+(CtoD)
____________________

highest time



the average of all instantaneous speeds
Term
instantaneous speed
Definition
the speed at any given mark
Term
velocity
Definition
rate at which the object changes position
Term
Average Velocity
Definition
displacement/time and DIRECTION
Term
Average Speed
Definition
total distance/time
Term
Acceleration
Definition
change in velocity over time
Term
Velocity=
Definition
distance/time
Term
acceleration
Definition
change in velocity/time
Term
time =
Definition
change in velocity/ acceleration
Term
1m=
Definition
100cm
Term
1 km=
Definition
1000m
Term
1 hr=
Definition
3600s
Term
5280 ft=
Definition
1 mile
Term
v=
Definition
distance/time
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