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Traveling Near the Speed of Light

There are a pair of identical twins. One remains on earth while the other goes on an extended trip through the galaxy. During this trip, the traveler averages a speed of 0.95 times the speed of light. If this trip lasts for a period of one year, as measured by the traveler, what is the age difference between the twins when the traveler returns to earth?

Solution Summary

Solution attaches a .doc file including the general formula and calculations to find the difference in ages of twins when one is sent on an intestellar trip and one remains on Earth.