The diagram above shows the speed-time graph of a car.If the car covered a total distance of 600m in 25s, calculate its maximum speed
Attached Figure / Diagram
A
30ms-1
B
25ms-1
C
20ms-1
D
15ms-1
Verified Correct Answer: A.
Physical Principles & Numerical Solution
S = \(\frac{1}{2} (a + b)h\)
60 = \(\frac{1}{2}(15 + 25)h\)
h = \(\frac{1200}{40} = 30\)m/s
Source: Myschool Past Questions Archive (Record #34719)