Question

9. The acceleration (a)-time (t) graph of a particle moving in a straight line is as shown in figure. At time t = 0, the velocity of particle is 10 m/s. What is the velocity at t = 8 s? [NCERT Pg. 45]
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Answer 1

Answer

Velocity= area of acceleration - time graph

⇒Velocity=

2

1

×2×4=4m/s

Answer 2

Answer:

Correct option is

B

4 m/s

Velocity= area of acceleration - time graph

⇒Velocity=

2

1

×2×4=4m/s