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The average lifetime of a pi meson in its own frame of reference (ie the proper lifetime) is 2.6(10^-8). If the meson moves with a speed of 0.

The average lifetime of a pi meson in its own frame of reference (ie the proper lifetime) is 2.6(10^-8). If the meson moves with a speed of 0.98c what is (a) its mean lifetime measured on earth and (b) the average distance it travels before decaying as measured by an observer on Earth? (c) What distance would it travel is time dilation did not occur?

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