Question

9.
The acceleration (a)-time (1) 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]
a (m/s)
24
0
+
t(s)
+
2 4
1
6 8
-2-
-47
-6t​

Answer 1

Answer:

Velocity= area of acceleration - time graph

⇒Velocity=

2

1

×2×4=4m/s

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