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Level 19

Introduction to Kinematic


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acceleration
(physics) a rate of change of velocity
dimension
a particular spar trial direction within your world such as east and west
direction
A point toward something, determined by its orientation and sense.
dispacement
the length of the shortest path from start to finish, coupled with a direction
Distance
a path taken and always a positive number
kinematics
branch of mechanics that explains the "what" and "how" of motion
Magnitude...
... of a vector is always a positive quantity
Qualitative
A description done solely in words.
quantitative
a discription given in numbers
Reference Point
A _______ is a place or object used for comparison to determine if something is in motion.
scalar
a physical quantity that has magnitude but no direction
SI
Silicon
Speed
Units: cm/s, m/s, mi/hr, km/s ...
vector
a displacement distinguished by magnitude and direction but not by location.
Velocity
a speed in a particular direction.