Q11 of 59 Page 255

The area under the velocity – time graph gives the value of:

Area under the Velocity – Time graph gives the displacement.


Now, Displacement = Velocity × time


Also, area under the graph is calculated by multiplying velocity and time. Thus displacement is obtained in that process. Hence option A is correct.

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9

A body moving with uniform acceleration has velocities 20 ms-1 and 30 ms-1 when passing two points A and B. Then the velocity midway between A and B is:

A. 25 ms-1


B. 24 ms-1


C. 25.5 ms-1


D. 106 ms-1

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A moving body is covering a distance directly proportional to the square of time. The acceleration of the body is:

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Which of the following is not a vector?

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If the average velocity of a body is equal to mean of its initial velocity and final velocity, then the acceleration of the body is: