How long did the trip take according to clocks on earth

Reference no: EM13698656

Problem: A space probe journeys at a constant velocity from Earth to star at 22 y in a time of 4 y as measured by the probe's internal clock.

Part A: How long did the trip take according to clocks on Earth?

How do you work this on above problem? Thanks!

Reference no: EM13698656

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