· 1.22 use the conservation of momentum to calculate the mass, velocity or momentum of objects Momentum conserved in collisions
· http://www.youtube.com/watch?v=b6QzJSUKzQM
· and http://www.walter-fendt.de/ph14e/collision.htm Momentum conserved in explosions Example - Pearson, p.41 Consider final momentum Truck, plasticine and pellet p = m x v p = (0.1+0.002) x 0.8 p = 0.0816kgm/s total final momentum = pf = 0.0816kgm/s Principle of Conservation of Momentum tells us: total initial momentum = total final momentum Σpi = Σpf so total initial momentum = pi = 0.0816kgm/s Consider initial momentum Truck and plasticine p = m x v p = 0.1 x 0 p = 0kgm/s Pellet p = m x v 0.0816 = 0.002 x v v = 40.8m/s 1.22 animation 14 March 2012 15:49 Website: http://www.walter-fendt.de/ph14e/collision.htm 
· http://www.youtube.com/watch?v=b6QzJSUKzQM
· and http://www.walter-fendt.de/ph14e/collision.htm Momentum conserved in explosions Example - Pearson, p.41 Consider final momentum Truck, plasticine and pellet p = m x v p = (0.1+0.002) x 0.8 p = 0.0816kgm/s total final momentum = pf = 0.0816kgm/s Principle of Conservation of Momentum tells us: total initial momentum = total final momentum Σpi = Σpf so total initial momentum = pi = 0.0816kgm/s Consider initial momentum Truck and plasticine p = m x v p = 0.1 x 0 p = 0kgm/s Pellet p = m x v 0.0816 = 0.002 x v v = 40.8m/s 1.22 animation 14 March 2012 15:49 Website: http://www.walter-fendt.de/ph14e/collision.htm
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