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Tardigrade
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Physics
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 is
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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 is
IIT JEE
IIT JEE 1999
A
3.14 m/s
31%
B
2.0 m/s
38%
C
1.0 m/s
19%
D
zero
12%
Solution:
$|\text{Average velocity}| =|\frac{\text{displacement}}{\text{time}}|$
$=\frac{AB}{\text{time}}=\frac{2}{1}=2\, m/s$