Question

In one second, a particle goes from point A to point B moving in a semicircle. Find the magnitude of the average velocity.

• A. 1 m/s
• B. 2 m/s
  
• C. 0.5 m/s
  
• D. None of the above
  

Answer 1

The correct option is B 2 m/s

Total displacement of the particle in going from A to B $S=AB=2\times 1=2$ m

Time taken $t=1$ s

$⟹$ Average velocity $v_{avg}=\frac{S}{t}=\frac{2}{1}=2$ m/s