Two objects have a head-on elastic collision. Just before the collision, Object 1 was traveling to the right at 8.6 m/s with a mass of 12.3 kg and Object 2 was traveling to the left at 5.6 m/s with a mass of 1.23 kg.If the positive direction is to the right and the force exerted on Object 2 during the collision is 6928 N,for how long does the collision occur?   a)0.014 s b)0.023 s c)0.009 s d) 0.00

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