7. starting at -7m a person walks in the negative direction for 8 m then turns around and walks 20m in the positive direction. Where is his final position?
What was his overall displacement? How much distance did he travel?
8. We will soon define speed as the amount of distance traveled in a given time
period, and velocity as the amount of displacement in a given time period.
Below, discuss how these two quantities can be very different from each other in
certain situations. Also, can they ever have the same value? Provide support for
your answer in the form of an example.
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