... 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
...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