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Phy 2053 Chapter sections
2.52.6 and 3.13.4
Kinematics, 1D constant acceleration motion,
Free Fall, Vectors, and Motion in 2D
Thursday, Sept. 8, 2007—Gary Ihas
Kinematic Equations
Describe Motion of an Objectball, rocket, person…
Used in situations with
uniform
acceleration
a
o
vv
α
t
Equation #1 (velocity)
Vel. at
time
t
0
average
v+
v
v = v
=
2
0
v
x
v =
=
2
t
0
v
=
2
x
t
2
00
0
v +
1
=
v
22
at
tta
t
Some examples of Use
t
2
v
v
t
v
x
f
o
average
Zero acceleration:
2
o
a
x
Time not needed:
o
vv a
t
Displacement not needed:
2
o
at
2
1
t
v
x
Final velocity not needed:
v
0
t
½at
2
Kinematic Equations—12
Constant Acceleration
Eq. 1
o
t
2
1
2
o
xv
t a
t
or
0
v  v
t=
a
Eq. 2
2
o
a
x
Eq. 3
Putting t from Eq. 1
into Eq. 2 we get
Eq.3
 and 3
Note Eq. 3 is not independent of Eq. 1 and Eq. 2
Free Fall
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This note was uploaded on 12/15/2011 for the course PHY 2053 taught by Professor Buchler during the Fall '06 term at University of Florida.
 Fall '06
 Buchler
 Physics, Acceleration

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