Multi-Stage Linear Motion
A car with an initial velocity of 15 m/s moves in a straight line. It accelerates at 2 m/s² for 4 s, travels at a constant velocity for 3 s, and then decelerates at 5 m/s² until it comes to rest. What is the total displacement of the car?
A
91 m
B
197.9 m
C
76 m
D
83 m
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