The international union of pure and applied chemistry (iupac) has specific rules on how to name ionic and covalent compounds. choose all of answers where the chemical formulas match the chemical names

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader