A relativistic red car is observed by an observer on the road to be travelling at
PHYSICS · Subjective · A Level · Physics · Turning points in physics · Turning points in physics
Problem
A relativistic red car is observed by an observer on the road to be travelling at 0.5c. The driver in the car observes a relativistic blue car passing him at a speed of 0.5c. Determine the speed that the observer on the road measures for the blue car.