The diagram above shows the velocity-time graph of a vehicle. Its acceleration and retardation respectively are
Attached Figure / Diagram
A
8.0 ms-2, 4,0 ms-2
B
4.0 ms-2, 8.0 ms-2
C
4.0 ms-2, 2.0 ms-2
D
2.0 ms-2, 4.0 ms-2
Verified Correct Answer: C.
Physical Principles & Numerical Solution
Acceleration = slope = AE/OE = 80/20 = 4m/s2
∴ acceleration and retardation = 4m/s2; 2m/s2
Source: Myschool Past Questions Archive (Record #11133)