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A car accelerates from rest at constant ...

A car accelerates from rest at constant rate of `2ms^(-2)` for some time. Immediately after this, it retards at a constant rate of `4ms^(-2)` and comes to rest. The total time for which it remains in motion is 3 s. Taking the moment of start of motion as t = 0, answer the following questions.
What is the distance travelled by it during the time of increasing speed ?

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A car accelerates from rest at constant rate of 2ms^(-2) for some time. Immediately after this, it retards at a constant rate of 4ms^(-2) and comes to rest. The total time for which it remains in motion is 3 s. Taking the moment of start of motion as t = 0, answer the following questions. If the time of acceleration is t_(1) , then the speed of the car at t=t_(1) is

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