9)
Maximum height of rockets
Half-filled Three-quarters filled Full
2-liter bottle 18m 21m 17m
1-liter bottle 12m 15m 20m
0.5-liter bottle 10m 12m 14m
Plastic soda bottles are hooked up to a launcher. The launcher uses the water pressure to propel the rocket upward. What combination yields greatest height?
A) A full 2-liter bottle
B) A full 1-liter bottle.
C) A three-quarter full 1-liter bottle
D) A three-quarter full 2-liter bottle
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