Do Now warm-up prompt

Part I: Multi-Segment Graph Analysis

Describe the object's direction and state of motion during each of the following intervals: 0–3 sec, 3–6 sec, 6–8 sec, and 8 sec+

Kinematic velocity curves over time
Figure 1.1: Multi-interval velocity representation
IntervalMotion Answers (Set A)
0–3 sIncreasing velocity (positive constant acceleration)
3–6 sAt rest (V = 0 m/s)
6–8 sConstant backward velocity (V = −7.5 m/s)
8 s+Maintaining constant backward velocity (V = −7.5 m/s)
Kinematic acceleration curves over time
Figure 1.2: Multi-interval acceleration representation
IntervalMotion Answers (Set B)
0–3 sIncreasing acceleration (a)
3–6 sConstant high velocity (V = 15 m/s)
6–8 sConstant deceleration (a = −7.5 m/s²)
8 s+Maintaining deceleration rate (a = −7.5 m/s²)

Part II: Interval Behavior Analysis

Reference the curves below to analyze the velocity dynamics within the summary table.

Graph key for acceleration steps
Figure 2.1: Graph key for acceleration steps
Time Interval (sec)Motion DescriptionAcceleration (a)
0–2Speeding upa = −5 m/s²
2–3Slowing down to a stopa = 10 m/s²
3–4Speeding upa = 10 m/s²
4–∞Constant Speed = 10 m/sa = 0