22. A ball is thrown straight up to a height of 20 meters and it falls straight down and is caught at the starting point.
A. What is the distance of the ball?
B. What is the displacement of the ball?

ok

Explanation:

what is the starting point. you need the starting point to answer the question

technology is the collection of techniques, skills, methods, and processes used in the the merriam-webster learner's dictionary offers a definition of the term: "the use of moreover, these technologies have become so complex that entire fields more recently, modern works of science fiction such as those by philip k.

explanation:

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.