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
-
30ms-1
- 25ms-1
- 20ms-1
- 15ms-1
The correct answer is: A
Explanation
S = \(\frac{1}{2} (a + b)h\)60 = \(\frac{1}{2}(15 + 25)h\)
h = \(\frac{1200}{40} = 30\)m/s