At t = 1.0 s, a firecracker explodes at x = 10 m in
Chapter 36, Problem 36.39(choose chapter or problem)
At t = 1.0 s, a firecracker explodes at x = 10 m in reference frame S. Four seconds later, a second firecracker explodes at x = 20 m. Reference frame S moves in the x-direction at a speed of 5.0 m/s. What are the positions and times of these two events in frame S?
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