Choose the correct statement(s) : (A) We can have a motion having zero displacement and nonzero ...

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Choose the correct statement(s) :
(A) We can have a motion having zero displacement and nonzero average speed.
(B) Average velocity is half the sum of its initial and final velocity.
(C) Total displacement is equal to product of average velocity and time.
(D) Acceleration of a particle is positive if it is moving in negative direction with decreasing speed.
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