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Position-Time Graphs & Velocity

2. 1D Motion / Kinematics / Position-Time Graphs & Velocity / Problem 4

Below is a position-time graph of a subway train traveling from London to Edinburgh. Find the train's velocity at t = 20 s

A

9.21 m/s

B

4.45 m/s

C

6.67 m/s

D

3.21 m/s

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