4. 10 8000 \ SS 4 A 6000 N \ 4000 ‘ 2000 \ so | nd IDEAL SURFACE X \ ae \ \ eSMT v 200 c \ | — = \ < <a 50 MT = < =z \ 5 MT ese © la) > : \ < . 400 : L oo DISTANCE SURFACE BURST X 2 600 2 PEAK MATERIAL VELOCITY VS \ X X 1000 FIGURE 2 100 . \ 80 60 \ N\ 40 » 20 =n ns iol o> f 2000 Ff O00 6000 &000 io" DISTANCE FROM #aL0C0 ZERO, FEET Fa OOO 60000 Sooo"