First slide

Relative velocity in 1-d

Question

The acceleration-time graph of a particle moving along a straight line is as shown in figure. At what time the particle acquires its initial velocity?

Moderate

A

12s
B

5s
C

8s
D

16s

Solution

Particle will acquire the initial velocity when areas A₁ and A₂ are equal. For this, t₀=8s

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