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Constant Velocity
s
m2
s
m2
The position increases by 2 meters every second.
The position decreases by 2 meters every second.
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Example
An object starts at a position of -5 meters and travels with a constant velocity of 3m/s for 5 seconds
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Diagram – Motion MapLike the washers in the hallway.
v vvvvv
t = 2s
x = 1m
t = 3s
x = 4m
t = 4s
x = 7m
t = 5s
x = 10m
t = 0s
x = -5m
t = 1s
x = -2m
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Numericalt
(s)
x
(m)
0
1
2
3
4
5
-5
-2
7
4
1
10
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t (s)
x (m)
54320
1
-10
-5
5
10
t (s)
v (m/s)
54320
1
-10
-5
5
10
AlgebraicGraphical
bmxy mtx s
m 5)3(
oxvtx
3m/s
3m/s
Δx = 6m
Δt = 2s
run
riseslope
s
m
s
m3
2
6
t
xv
areaxxx o position in change nt displaceme
Area = Δx
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time
distancespeed no direction
Velocity – The rate at which the position changes.
t
xv
+/- sign gives direction
Displacement – The change in position.
12 xxx
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t
xv
vtxx 0
12 xxx
v = velocity (m/s)
t = time (s)
x = position (m)
Δx = x2 – x1 (m)