A5 problems: Length contraction
1. In the time dilation problems there was a question about a rocket travelling from Earth to a star at a speed of 0.4c. The time taken for the journey measured by an observer on the Earth was 11 years. Calculate a. The distance to the star measured from the Earth. b. The distance between the Earth and the star measured from the rocket. The animation below shows the signal being sent back to the Earth from the...