A firecracker explodes at x = 0 m, t = 0 μs. A second explodes at x = 300 m, t = 2.0 μs. What is the proper time between these events?
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A firecracker explodes at x = 0 m, t = 0 μs. A second explodes at x = 300 m, t = 2.0 μs. What is the proper time between these events?
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