In the pervious question ,what is the average velocity of the particle?

Options

A. ` 1 ms ^(-1)`
B. `0.5 ms ^(-1)`
C. ` 3 ms ^(-1)`
D. None of these

Answer

B

Explanation

Time taken to go from A to B : ` " " "time "=("distance ")/("speed") =(4)/(1) =4s `
Average velocity `=("Total displacement ")/("Total time")=(2)/(4) =0.5 ms^(-1) `