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Relativity of length of spaceships

Two spaceships, each of proper length 100 m, pass near each other heading in opposite directions. If an astronaut at the front of one ship measures a time interval of 2.50 x 10^-6 sec for the second ship to pass him, then

(a) what is the relative velocity of the spaceships

(b) What time interval is measured on the first ship for the front of the second ship to pass from the front to the back of the first ship?

Solution Summary

The solution shows how to calculate the relative velocity and time intervals between two space ships based on relativity.

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