Question: Why was this question correct, may you explain it please? An object starts from rest at the origin of an cy-coordinate system and has an

Why was this question correct, may you explain it please?

An object starts from rest at the origin of an cy-coordinate system and has an acceleration with components ar = a and dy = a. After t seconds, the displacement and velocity of the object are Adj and v1, respectively. The object is stopped and returned to the origin. The object then starts at rest again with acceleration components az = 2a and dy = 2a. After t seconds, the displacement and velocity of the object are Ad2 and 2, respectively. Which of the following correctly relates Adj and v1 to Ad2 and v2, respectively? (A) Ad2 = 4Adj and v2 = 2v1 (B) Ad2 = 24d1 and v2 = V2v1 (C) Ad2 = V2Ad] and v2 = V201 (D) Ad2 = V54d1 and v2 = V5v1 (E) Ad2 = 24d] and v2 = 201

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