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Q. In $1.0\, s$, a particle goes from point $A$ to point $B$, moving in a semicircle (see figure). The magnitude of the average velocity isPhysics Question Image

IIT JEEIIT JEE 1999

Solution:

$|\text{Average velocity}| =|\frac{\text{displacement}}{\text{time}}|$
$=\frac{AB}{\text{time}}=\frac{2}{1}=2\, m/s$