Question: The time dilation equation from Special Relativity is this: t - Here, t = time in the external viewpoint, t'= time in the moving

The "time dilation" equation from Special Relativity is this: t - Here, t = time in the external viewpoint, t'= time in the moving viewpoint, v-velocity and c = speed of light, 3.0 x 108 m/s. 7. Say 1 second goes by in the external view while the moving railcar goes by at 90% of the speed of light. How long does that 1s take on the railcar? (ie. what is t' ift = Is and v ..90c?) 8. Repeat question 7, if the railcar is moving at 99.99% of the speed of light.

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