The diagram above shows the speed-time graph of a car. If th...
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
A.
30ms-1
B.
25ms-1
C.
20ms-1
D.
15ms-1
Correct answer is A
S = \(\frac{1}{2} (a + b)h\)
60 = \(\frac{1}{2}(15 + 25)h\)
h = \(\frac{1200}{40} = 30\)m/s
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