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  1. ...any point on the parabola Q(4, y) ... the projection of P onto the directrix PF = PQ PF² = PQ² (x + 2)² + (y - 5)² = (x - 4...

    4 Answers · Science & Mathematics · 22/02/2021

  2. ... linear momentum, but not kinetic energy so Pi = Mv0     Pf = (M + m)vf  --> Pi = Pf vf = Mv0/(M + m...

    1 Answers · Science & Mathematics · 23/02/2021

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