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What if A light flashes every nine seconds another light flashes every 12 seconds . at how many seconds will both lights flash at the same time?
The lights will flash at the same time every 36 seconds. This is the least common multiple of 9 and 12.
How many second does a red light last?
A typical red light at an intersection lasts around 30 seconds. However, this time can vary based on factors such as traffic patterns and the specific design of the intersection.
How long does red light blink?
The duration of a red light blinking can vary depending on the traffic signal system. In general, a red light may blink for about one to three seconds before turning solid again. It is typically used to indicate a malfunction or an impending change in the traffic signal.
Is a traffic light a light reflector or light source?
A traffic light is a light source as it emits light to signal drivers when to stop, slow down, or go.
What year was the traffic light inveted?
The traffic light was invented in 1868 by J.P. Knight in the United Kingdom. It was a manually operated gas-lit device.
Why in some jurisdictions the traffic light colours have different shapes?
Traffic light colours have different shapes in order to inform the colour blind what colour the light is.
On a traffic light what colour means go?
Green
What is the colour in the middle of traffic light?
In the United States, the middle light on a traffic light is "Yellow" or "Amber," depending on the regional colloquialism.
What colour is in the middle light of the traffic lights?
In the United States, the middle light on a traffic light is "Yellow" or "Amber," depending on the regional colloquialism.
What colour is the middle light in a set of traffic lights?
Amber
What colour are traffic light cameras supposed to be?
green,orange,red
How long is it for a traffic light to change?
It takes 2-3 minutes for a traffic light to change from green to red! (P.S I have counted the seconds myself!)
What is the duration of the way red before the green light of the traffic lights?
Okay, you're talking about the delay when the light turns red for one direction and then turns green for another direction. My guess would be that it would be to ensure that the intersection is clear before another direction of travel is given the green.
Other name of traffic signal?
Stop light is another name for a traffic signal.
What is another name for colour tan?
Light brown
What is the distance between one traffic light to another?
There is no set distance in between traffic lights.
What does all the colour on traffic light means?
red-stop yellow-slow down green-go
