3 21 7 17 The initial position of an object at rest is given by 31 8 It moves with constant acceleration and reaches to the

Question

3 21 7 17 The initial position of an object at rest is given by 31 8 It moves with constant acceleration and reaches to the position 21 4 after 4 s What is its acceleration 2 21 1 1 1 3 1 3 1 8 2 4 81 31 12 1 71 Velocity of B as observed by A is

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