At what time would the car be moving with the greatest velocity?

2 s e c o n d s

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4 s e c o n d s

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6 s e c o n d s

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8 s e c o n d s

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Solution

The correct option is B $4 s e c o n d s$
The velocity of the body will continue to increase until the acceleration is positive. Since the acceleration is positive up to 4 seconds. Thus the car will attain the maximum velocity at 4 second instant.

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