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Two particles of equal masses have veloc...

Two particles of equal masses have velocity `vec(v_(1))=2hati` m/s and `vec(v_(2))=2hatj` m/s. The first particle has an acceleration `vec(a_(1))=(3hati+3hatj)"m"//"s"^(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

ellipse

D

straight line

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