Table 2: Geometrical and acceleration data.

System	H (system) (m)	h (block) (m)	b (block) (m)
					Pattern 1	Pattern 2	Pattern 3
1 block	1.56	1.56	0.4	0.25	1.02	/	/
2 blocks	1.56	0.78	0.4	0.25	1.02	2.04	/
3 blocks	1.56	0.52	0.4	0.25	1.02	1.53	3.06