JEE Main Physics question

For a moving body at any instant of time [NTSE 1995, DCE 2006]

(A)If the body is not moving, the acceleration is necessarily zero
(B)If the body is slowing, the retardation is negative
(C)If the body is slowing, the distance is negative
(D)If displacement, velocity and acceleration at that instant are known, we can find the displacement at any given time in futureCorrect

Answer: (D)

Solution

Given , and constant at an instant, predicts future displacement; (A) is

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Question ID VK-152553