These questions relate to Einstein\'s Theory ofRelativity: 1. What length will a

Question

These questions relate to Einstein's Theory ofRelativity: 1. What length will a vertical metre stick moving sideways at0.99c appear to be? a. 100cm b. 99cm c. 14cm d. 1cm e. 0.01cm (I was thinking either b or c) 2. An astronaut flying at 0.65c takes a 3h sleep period. Howlong does mission control think that the astronaunt hasslept? a. 4.61h b. 3.90h c. 3.58h d. 3h e. 2.28h These questions relate to Einstein's Theory ofRelativity: 1. What length will a vertical metre stick moving sideways at0.99c appear to be? a. 100cm b. 99cm c. 14cm d. 1cm e. 0.01cm (I was thinking either b or c) 2. An astronaut flying at 0.65c takes a 3h sleep period. Howlong does mission control think that the astronaunt hasslept? a. 4.61h b. 3.90h c. 3.58h d. 3h e. 2.28h

Explanation / Answer

1. L = (1m)[1-(0.99)2]    = 0.14m = 14cm So option (c) is correct 2. (3h)/[1-(0.65)2] = 3.9h So option (b) is correct

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