how can you create the following position graphs?
DESCRIPTION
X (m). X (m). X (m). X (m). t (sec). t (sec). t (sec). t (sec). How Can You Create the Following Position Graphs?. Graph 1. Graph 2. Graph 3. Graph 4. A. Speed Up B. Turn Around C. Slow DownD. Stand Still. V (m/s). 0. t (sec). V (m/s). V (m/s). V (m/s). - PowerPoint PPT PresentationTRANSCRIPT
How Can You Create the Following Position Graphs?
X(m)
t (sec)
X(m)
t (sec)
X(m)
t (sec)
X(m)
t (sec)
A. Speed Up B. Turn Around C. Slow Down D. Stand Still
Graph 1. Graph 2.
Graph 4.Graph 3.
How Can You Create the Following Velocity Graphs?
A. Speed Up, then Slow Down B. Turn Around C. Walk AwayD. Stand Still E. Walk Toward
V(m/s)
t (sec)0
V(m/s)
t (sec)0
V(m/s)
t (sec)0
V(m/s)
t (sec)0
Graph 1.
Graph 3.
Graph 2.
Graph 4.
Which Object is Moving Faster (Greatest Speed)?
X(m)
t (sec)
X(m)
t (sec)
X(m)
t (sec)
X(m)
t (sec)
A. Line A B. Line B C. Tie D. Can’t Tell
A
B
B
BB
A
A
A
Graph 1.
Graph 3.
Graph 2.
Graph 4.
Which Object is Moving Faster (Greatest Speed)?
A. Line A B. Line B C. Tie D. Can’t Tell
A
B V(m/s)
t (sec)0
Which Object is Ahead?
A. Line A B. Line B C. Tie D. Can’t Tell
Which Object is Moving Faster (Greatest Speed)?
A. Line A B. Line B C. Tie D. First B, then A
B. E. First A, then B
Which Object is Ahead?A. Line A B. Line B C. Neither D. Can’t
TellWhat Does the Intersection Represent?
A. Same Position B. Same Velocity
C. They Crash Into Each Other D. They Turn Around
V(m/s)
t (sec)0
B
A
Create a Velocity Graph from a Position Graph
Distance and Velocity Vs Time
Create a Velocity Graph from a Position Graph
Distance and Velocity Vs Time
Velocity is the Slope of the Position Graph
Create a Velocity Graph from a Position Graph
Distance and Velocity Vs Time
(3.0, 3.5)
(0.5, 1.0)
∆x
∆t
Slope = ∆x = 3.5 - 1.0 = +1 m/s∆t 3.0 - 0.5
Create a Velocity Graph from a Position Graph
Distance and Velocity Vs Time
Slope = 0Velocity = 0
Create Position Graph from a Velocity GraphDoes the Velocity Graph tell you Where to Start?
Distance and Velocity Vs Time
Line Stays at 1 m while Velocity is ZeroHow Far Do You Go from 3 to 6 seconds?
Distance and Velocity Vs Time
You end up at 2.5 meter Position at 6 secondsHow Far Do You Go from 6 to 9 seconds?
Distance and Velocity Vs Time
You End Up Back Where You StartedWhat Does the Graph Do Next?
Distance and Velocity Vs Time
What is Average Speed While Moving?What is the Average Velocity While Moving?
Distance and Velocity Vs Time
What is Average Speed While Moving?What is the Average Velocity While Moving?
Distance and Velocity Vs Time
€
S =T.D.
Δt=
1.5m +1.5m
6s= 0.5m /s
What is Average Speed While Moving?What is the Average Velocity While Moving?
Distance and Velocity Vs Time
€
V =Δx
Δt=
0m
6s= 0.0m /s
€
S =T.D.
Δt=
1.5m +1.5m
6s= 0.5m /s
Area “Under” a Velocity Graph is Displacement
Distance and Velocity Vs Time
0.5 m/s 3 s = 1.5 m
-0.5 m/s 3 s = -1.5 m
+1.5 m-1.5 m
Area “Under” a Velocity Graph is Displacement,even when Velocity Line has a Slope
Distance and Velocity Vs Time
Distance and Velocity Vs Time
Area “Under” a Velocity Graph is Displacement,even when Velocity Line has a Slope
Area = 1/2 4s .5 m/s = 1m
Area = 1/2 2s .5 m/s = 0.5 m
Area = 4s .5 m/s = 2 m
Distance and Velocity Vs Time
Or, Displacement is the Average Velocity times the Time
€
V =Δx
Δt, Δx =V × Δt, V =
V0 +V
2
€
Δx =0m /s+ 0.5m /s
2
⎛
⎝ ⎜
⎞
⎠ ⎟× 4s =1m
€
Δx =0.5m /s+ 0m /s
2
⎛
⎝ ⎜
⎞
⎠ ⎟× 2s = 0.5m
€
Δx =0.5m /s+ 0.5m /s
2
⎛
⎝ ⎜
⎞
⎠ ⎟× 4s = 2m
E&P #17
1. When, if ever, is the animal to the left of the origin on the axis? (A) never (B) between t = 0 and t = 2 (C) none of these (D) between t = 2 and t = 4 (E) between t = 4 and t = 7
2. When, if ever, is its velocity negative? (A) never (B) between t = 3 and t = 7 (C) none of these (D) between t = 0 and t = 3 (E) between t = 2 and t = 4
3. When, if ever, is its velocity positive?
(A) always (B) between t = 3 and t = 7 (C) none of these (D) between t = 0 and t = 3 (E) never
4. When, if ever, is its velocity zero? (A) around t = 1 (B) at t = 3 (C) between t = 2.5 and t = 4.5 (D) never (E) at t = 0
+
0
-
E&P #19
1. What is the total distance covered between 0 and 16 seconds by the runner whose velocity is shown above?(A) 128 m(B) 80 m(C) 100 m(D) Can’t tell(E) None of the above
Which Graph Shows the Velocity of a Ball Thrown Straight Up, After it Leaves Your Hand?
V(m/s)
t (sec)0
V(m/s)
t (sec)0
V(m/s)
t (sec)0
V(m/s)
t (sec)0
A
C
B
D
V(m/s)
t (sec)0
E