A train moves uniformly at 20 m/s. Two events occur at fixed track points A and B separated by 600 m, with B ahead of A. The event at A occurs 10 s before the event at B. A passenger is exactly at A at the first event. At the second event the passenger is:
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Question

A train moves uniformly at 20 m/s. Two events occur at fixed track points A and B separated by 600 m, with B ahead of A. The event at A occurs 10 s before the event at B. A passenger is exactly at A at the first event. At the second event the passenger is:

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G1 Physics · Accepted Answer

In 10 s the passenger travels 20×10=200 m from A. Since B is 600 m from A, the passenger is 400 m behind B.