Stop light sensors are a loop of wire that is buried in the pavement and controls the traffic light. The sensors are able to detect the traffic that is waiting at the light.
Coils of wire are buried under the road's surface to detect the metal in the car. Next time you are riding in a car look and you can usually see the lines in the asphalt where cuts were made to bury the wires. The signal from the detector is sent to the computer that runs the lights so it knows there are cars waiting. Good question!
A car is stopped at a traffic light because the light is red, indicating that it is not safe to proceed through the intersection.
There's nothing really special here, it's simply the color of the light that enters our eyes is how we see the traffic light.
Car B would be at fault do to the fact that they failed to yield at a traffic light.
Traffic lights typically use sensors such as induction loops, infrared sensors, and cameras. These sensors help detect the presence of vehicles and pedestrians at the intersection, allowing the traffic light to change based on the traffic flow.
acceleration, I think
When a car slows down at a traffic light, it is decelerating. This means that the car is reducing its speed or coming to a stop in response to the signal.
If you are asking about a traffic light then it was invented to prevent car accidents.
Rather, a car stoppping at a light is an example of deceleration but one of the possible example of acceleration when a car stops at a traffic light is a pedestrian accelerating across the road or other car in different lanes accelerating to move to on in their journey.
Railway signal
In a traffic light system, electrical energy is converted to light energy in order to illuminate the traffic lights, and then light energy is converted back to electrical energy in the sensors that detect vehicles and trigger changes in the light signals. Additionally, kinetic energy is converted to electrical energy in some traffic lights when vehicles drive over sensors installed on the road surface.