Table 3: Momentum before collision mass velocity momentum mass m1 marble distance d1 for m1 time t1 for momentum p1 inbound marble (E) (cm) marble (s) (g cm/s) Table 4: Momentum after collision mass velocity momentum Sum of mass m1 distance d2 for m1 time t2 for m1 momentum P2 after (E marble (8) (cm) after (5) P2 + PJ cm/s) mass m2 distance d3 for m2 time t3 for m2 momentum P, marble marble (g) after (cm) after (s) after (g cm/s) Momentum before, P, = Momentum after, P, + P, =