The displacement (x) of a particle depends on time (t) as x= t^2- t^3.

JEE Main Physics question

The displacement () of a particle depends on time () as .

(A)The particle will come to rest after time Correct
(B)The particle will return to its starting point after time Correct
(C)No net force will act on the particle at Correct
(D)The initial velocity of the particle was zero but its initial acceleration was not zeroCorrect

Answer: (A),(B),(C),(D)

, . (nonzero root): — (A) true. (nonzero root): $α-β t)=0⇒

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Question ID VK-152168