Multiple Choice
You walk to the right at 3m/s for 8s, then turn around and walk backwards at 2m/s for some unknown time. You end up 16m to the right from where you started. How long did you walk backwards?
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2. 1D Motion / Kinematics
Average Velocity
Multiple Choice
Beginning from a signpost, you run 60m to the right, then 60m back. The entire trip takes 24 seconds. What is your speed and velocity for the whole trip?
A
Speed = 5 m/s, velocity = 5 m/s
B
Speed = 2.5 m/s, velocity = 0 m/s
C
Speed = 5 m/s, velocity = 0 m/s
D
Speed = 0 m/s, velocity = 0 m/s
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