Physics, 21.08.2020 01:01 isaiahb30

Friends tell you that on a recent trip their average velocity was +20 m/s. Is it possible that at any time during their trip their velocity was -20 m/s? Explain, and give an example to justify your answer. PLEASE HELP

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Friends tell you that on a recent trip their average velocity was +20 m/s. Is it possible that at an...