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physics

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a jet plane traveling at +87 m/s lands on a runway and comes to rest in 11 s.

a)Calculate its uniform acceleration
b)Calculate the distance it travels

  • physics - ,

    a = -87/11 = -7.91 m/s^2
    s = 87t - 3.95 t^2
    = 87(11) - 3.95(121) = 479.05 m

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