Dynamite

A dynamite blast blows a heavy rock straight up with a launch velocity of 160 m/sec . If reaches a height of s=160 t-16 t^2"a f t e r" tdotsecdot The velocity of the rock when it is 256 m above the ground on the way up is 98 m/s (b) 96 m/s 104 m/s (d) 48 m/s

Match the List I with List II and pick the correct matching from the codes as give below : {:("List I","List II",),(a."Propane-1,2,3-triol",1."Cyclic ether",),(B."Ethane-1,2-diol",2."Absolute ethanol" + "petrol",),(C."Tetrahydrofuran",3."Dynamite",),(D. "Power alcohol",4."Denaturated alcohol",),(E."Methylated spirit",5."Terylene",):} Codes :