(10 points) A rocket launched from an initial height of 1.2m reaches a height of 14m then falls down to the ground. How far away vertically does the rocket land from its initial position? Find the resultant displacement.

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?