an athlete swims from the north end to the south end of a 50.0m pool in 20.0 s and makes the return trip to the starting position in 22.0s. what is the average velocity from the round trip?

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.

Berikan satu kepentingan terhadap komposisi udara di atmosfera bumi

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.