First slide

Average Velocity

Question

Among the four graphs, there is only one graph for which average velocity over the time interval (0,T)can vanish for a suitable chosen T. Which one is it?

Easy

A
B
C
D

Solution

$∵ Averagevelocity = \frac{Displacement}{Timetaken}$
$∴$ only in (b), displacement ( $∆ x$ ) can be zero.

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