First slide

Average Velocity

Question

In 1 .0 s, a particle goes from point A to point B, moving in a semi-circle of radius 1.0 m see figure.
The magnitude of average velocity is

Easy

A

3 .\4m/s
B

2.0 m/s
C

1 .0 m/s
D

zero

Solution

$\begin{array}{l} Average velocity = \frac{displacement}{time} \\ = \frac{2 \cdot 0}{1 \cdot 0} = 2 \cdot 0 m / s \end{array}$

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