Jeremy accidently dropped his toy stuffed animal from the balcony of his apartment on the fourth floor. the toy hit the ground at a velocity of 16.0 meters/second. at impact, it took 2.0 seconds for the toy’s velocity to reach 0 meters/second. if the toy has a mass of 0.25 kilograms, what's the force of the impact?

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?