1. A student drives from Atlanta to Charlotte (250 miles)
with the cruise control set to 65mi/hr. On the trip back
home, they decide to test the boundries of the law, and
drive back with the cruise control set to 85 mi/hr.
Sketch a position vs time graph on mini whiteboard.
Thursday, August 26, 2010
2. 250
200
150
Position (mi)
100
50
0
0 1 2 3 4 5 6 7
Time (h)
Thursday, August 26, 2010
3. A student drives from Atlanta to Charlotte (250 miles)
with the cruise control set to 65mi/hr. On the trip back
home, they decide to test the boundries of the law, and
drive back with the cruise control set to 85 mi/hr.
Sketch a velocity vs time graph for the same situation.
Thursday, August 26, 2010
8. 100
80
60
40 mi 250 mi
∆x = Area = v ∆t = 65
¯ · = 250 mi
h 65 mih
Velocity (mi/hr)
20
0
0 1 2 3 4 5 6 7
-20
-40
-60
-80
-100 mi 250 mi
∆x = Area = v ∆t = −85
¯ · = −250 mi
h −85 mih
Time
Thursday, August 26, 2010
9. 250
200
150
Position (mi)
100
50
0
0 1 2 3 4 5 6 7
Time (h)
Thursday, August 26, 2010