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Two carts with masses of 15.5 kg and 1.0 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.0 m/s and 2.0 m/s, respectively. The carts stick together after colliding head-on. Find the final speed of the two carts.
m/s

  • physics -

    (15.5 x 6.0) + (1.0 x 2.0) = 92 kgm/s
    92/16.5 = 5.58 m/s (2d.p)

  • physics -

    cancer

  • physics -

    scsdc

  • physics -

    the answer is 69

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