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-- 44. A particle is moving in xy plane such that its velocity in x-direction remains constant at 3 m/s and its velocity in y-direction varies with time as v = 2t m/s. Displacement of particle at t = 3 s is (At t = 0, particle is at origin)
A
(3î + 6ĵ) m
B
(9î + 5ĵ) m
C
(5î + 5ĵ) m
D
(9î + 9ĵ) m
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