m1	m2	v1	v2
(kg)	(kg)	(cm/s)	(cm/s)
1.6	1.6	21	25
1.6	1.6	29	27.5
1.6	1.6	20	22
3.6	1.6	21	35
3.6	1.6	18	34.5
3.6	1.6	17	37.5
4.6	1.6	14.5	35.5
4.6	1.6	13	39
4.6	1.6	14	36.5
4.6	3.6	22.5	28.5
4.6	3.6	22.7	28.5
4.6	3.6	24	27.5