Answer to Question #75661 in Mechanics | Relativity for James

Question

Mary, Lucy, and Becky are 40-year-old triplet sisters living on Earth. Mary, who’s always been a trailblazer, decides to travel to Alpha X to start a new life. After a tearful goodbye, Mary boards a luxury class cruiser and departs for her new beginning (Event A). According to her sisters, a year after Mary leaves Lucy decides to join her sister on Alpha X. As she leaves aboard a super fast Excel Cruiser, Lucy sends a radio message telling Mary the good news. Upon receiving Lucy ’s message, an ecstatic Mary immediately responds.

n.) 2pts According to Lucy, how far is the trip from Earth to Alpha X?

o.) 1pts According to Becky, what is her age when Mary reaches Alpha X?

p.) 2pts According to Mary, what is her age when she reaches Alpha X?

q.) 2pts According to Lucy, what is her age when she reaches Alpha X?

Answer 1

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