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  4. Assertion: Average speed is equal to the magnitude of average velocity. Reason: Displacement of body is less than or equal to distance.

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Q. Assertion: Average speed is equal to the magnitude of average velocity.

Reason: Displacement of body is less than or equal to distance.

NTA AbhyasNTA Abhyas 2020Motion in a Straight Line

Solution:

Since $\left|\right.Displacement\left|\right.\leq Distance$
$\therefore \frac{\left|\right. Displacement \left|\right.}{time}\leq \frac{Distance}{time}$
$\left|\right.Average \, velocity\left|\right.\leq Average \, speed$