Sumali sa IDNStudy.com at makuha ang mabilis at kaugnay na mga sagot. Magtanong at makakuha ng detalyadong sagot mula sa aming komunidad ng mga eksperto.

A woman leaves earth in a spacecraft that makes a round trip to the nearest star 4lightyears distant, at a speed of 0.9c. How much younger is she upon her return than her twin sister who remained behind?​

Sagot :

Answer:

The 2nd postulate: The speed of light in free spaces has the same value for all observers ... Eg. (Twin paradox) A woman leaves the earth in a spacecraft that makes a round trip to a star, 4 light-year distant, at a speed of 0.9c. How many years younger is she upon her return than his twin sister who remained behind?

Explanation: