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physics

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A 50 g ball of clay traveling east at 3.5 m/s collides and sticks together with a 50 g ball of clay traveling north at 2.0 m/s. What is the speed of the resulting ball of clay?

  • physics - ,

    ((m1)(v1))i+((m2)(v2))i =(m1+m2)Vf

    [(0.05kg)(0)+(0.05kg)(2.0m/s)]
    /[(0.05kg+0.05kg)]=1.0 m/s .........(east)

    [(0.05kg)(3.5m/s)+(0.05kg)(0m/s)]
    /[0.05kg+0.05kg)]= 17 m/s............(north)

    (1)^2+(17)^2 = Vf^2
    Vf=Sqrt[(1^2)+(17^2)]
    Vf= 17.6 m/s

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