9. A ship heads to Earth at 0.8c. When it is 1 x 10m from Earth it flashes a light. The light flashes again 12 seconds l
Posted: Mon May 23, 2022 11:09 am
9. A ship heads to Earth at 0.8c. When it is 1 x 10m from Earth it flashes a light. The light flashes again 12 seconds later using the ship's clock. What is the time between flashes as seen from Earth? (PA)