Q.

The variation in the speed of a car during its two hour journey is shown in the graph of Fig. The magnitude of the maximum acceleration of the car occurs during the interval

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a

OA

b

BC

c

CD

d

DE

answer is B.

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Detailed Solution

The acceleration is given by the slope of the speed time graph. The slope of the graph is maximum during the interval BC. Hence the correct choice is (2).
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