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March 27, 2017

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A speed skater moving across frictionless ice at 8.0 m/s hits a 5.7m-wide patch of rough ice. She slows steadily, then continues on at 6.5m/s.

What is her acceleration on the rough ice?

  • Physics - ,

    5.7 = 8t + 1/2 at^2
    6.5 = 8 + at

    a = -1.9079 m/s^2
    t = 0.7862 s

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