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A vehicle travels at a constant speed of 50 km/hr. for 3 minutes: it then accelerates uniformly to a speed of 80 km/hr. in a

A vehicle travels at a constant speed of 50 km/hr. for 3 minutes: it then accelerates uniformly to a speed of 80 km/hr. in a period of 2 minutes. Draw a speed against time graph and determine the distance covered by the vehicle in the 5- minutes period

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