What percentage of plagiarism is acceptable on turnitin?

If a swimmer is traveling at a constant speed of 0.85 m/s, how long would it take to swim the length of a 50m olympic sized pool?

Imagine a child who consistently gets mediocre grades and is often picked last for a team when games are played at recess. however, he likes to make silly jokes and play pranks, and he notices that people laugh when he does those things. the child starts to think that others are laughing with him, not at him. this is part of the process that charles cooley

How are the three economic questions answered in a traditional economic system