JEE Main Physics question

The graph of displacement time is a smooth symmetric hump (rising then falling). Its corresponding velocity-time graph will be [DCE 2001, DCE 2009]

(A)A straight line decreasing from a positive value through zero to a negative valueCorrect
(B)A straight line increasing from a negative value through zero to a positive value
(C)A concave-up curve starting from the origin
(D)A hump-shaped (parabolic) curve

Answer: (A)

Solution

; as rises then falls symmetrically, starts positive,

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Question ID VK-152364