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Two particles of equal mass have velocities v₁ = 2î ms⁻¹ and v₂ = 2ĵ ms⁻¹. First particle has an acceleration a₁ = (3î + 3ĵ) ms⁻² while the acceleration of the other particle is zero. The centre of mass of the two particles moves in a:
A
circle
B
parabola
C
straight line
D
ellipse
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