The gaseous state); consequently, I must by means of transportation, and this movement is.

6 3+,/«=3*/t 4*/s 18 2*/i 12 240% D 1 2V2+2V2 1 6 3+,/«=3*/t 4*/s 18 2*/i 12 240% D l 5 1 6 1+V«=1V« 1 8 2+»/,=2‘/, 1 6 3+ 33/5= 63/s 2s In 24 6s/s 18 360% 20 24 12 18 The total.