A spaceship is approaching a space station at a speed of 1.8 x 105 m/s. The space

Question:

A spaceship is approaching a space station at a speed of 1.8 x 105 m/s. The space station has a beacon that emits green light with a frequency of 6.0 x 1014 Hz. What is the frequency of the beacon observed on the spaceship? What is the change in frequency? (Carry five digits in these calculations.)