If a student has a mass of 64kg and climbs a set of stairs with a vertical distance of 7.5m in 6.75s what is the student's power in watts? And in horsepower?

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?