Question
Physics Question on Modern Physics
A spacecraft has speed 𝑣𝑠=𝑓𝑐 with respect to the earth, where 𝑐 is the speed of light in vacuum. An observer in the spacecraft measures the time of one complete rotation of the earth to be 48 hours. The value of 𝑓 is (rounded off to two decimal places).
Answer
The correct answer is: 0.85 to 0.88 (approx)