A 1.30 kg mass (mass 1) moves to the right with a speed of 2.50 m/s and collides with a stationary 1.30 kg mass (mass 2). Assuming the collision is elastic, what are the velocities of the first and second masses following the collision?  A. mass 1: 1.25 m/s to the right, mass 2: 1.25 m/s to the right mass  B. mass 1: 0.00 m/s, mass 2: 2.50 m/s to the right   C. mass 1: 1.25 m/s to the left, mass 2: 1.25 m/s to the right  D. mass 1: 2.00 m/s to the right, mass 2: 0.50 m/s to the right

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