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The diagram above shows the speed-time graph of a car.If the car covered a total...

Physics
WAEC 2006

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
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Correct Answer: Option A
Explanation
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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