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1. 
serves to describe and study the motion of a body
A.
describe and study the motion of a body is used to determine its position
B.
describe and study the motion of a body is not used to determine their position
C.
can not be defined as a physical change
D.
a second observer moving relative to the first body charged
2. 
kinds of movements that exist?
A.
uniiformemente accelerated circular wave, parabolic, pendulum
B.
exist, uniiformemente accelerated circular wave
C.
simple harmonic motion and gyro rectilinear
D.
exist, uniiformemente accelerated circular wave, parabolic, pendulum, simple harmonic motion and gyro rectilinear