Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. what is the average power expended by the student to overcome gravity?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Juliette sets the initial velocity to +10 m/s, the acceleration to zero, and clicks “start.” how can shakina describe the subsequent motion of the car juliette controls?

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?