A car is moving towards a person at 0.02 km/s. The speed of light is 300,000 km/s. What speed would the person measure for light coming from the car's headlights?
To calculate the speed that the person would measure for light coming from the car's headlights, we need to use the concept of relative velocity.
Relative velocity is the difference between the velocities of two objects as measured in a single coordinate system. In this case, we need to consider the velocity of the car and the velocity of light.
The car's velocity is given as 0.02 km/s, while the velocity of light is 300,000 km/s.
To find the relative velocity, we can subtract the car's velocity from the velocity of light.
Relative velocity = Velocity of light - Velocity of car
Relative velocity = 300,000 km/s - 0.02 km/s
Relative velocity = 299,999.98 km/s
Therefore, the person would measure the speed of light coming from the car's headlights as approximately 299,999.98 km/s.