KinematicsHard

Question

The velocity - time graph of the particle moving along a straight line is shown. The rate of acceleration and deceleration constant and it is equal to 5 ms-2. If the average velocity during the motion is 20 ms-1, then the value of t is

Options

A.3 sec
B.5 sec
C.10 sec
D.12 sec

Solution


Average velocity
 =
20 = ⇒ t = 5, 20

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