Which of the following graphs cannot possibly represent one dimensional motion of a particle ?

Question

Which of the following graphs cannot possibly represent one dimensional motion of a particle ? (A) (i) and (ii) (B) (ii) and (iii) (C) (i), (ii) and (iii) (D) All four

Tardigrade Admin · Accepted Answer

All the four graphs are impossible.
(i) A particle cannot have two different positions at the same time.
(ii) A particle cannot have velocity in opposite directions at the same time.
(iii) Speed is always non-negative
(iv) Total path length of a particle can never decrease with time.
Note : The arrows on the graphs are meaningless.

Q. Which of the following graphs cannot possibly represent one dimensional motion of a particle ?

(i) and (ii)

(ii) and (iii)

(i), (ii) and (iii)

All four