Kinematics 1 Question 1

1. 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

(1999, 2M)

(a) $3.14 m / s$

(b) $2.0 m / s$

(c) $1.0 m / s$

(d) zero

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Answer:

Correct Answer: 1. (b)

Solution:

  1. $\mid$ Average velocity $\mid=\frac{\text { displacement }}{\text { time }}=\frac{A B}{\text { time }}=\frac{2}{1}=2 m / s$


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