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What you next to a red light?

When next to a red light, you should come to a complete stop and wait until the light turns green before proceeding. It is important to not move until it is safe and legal to do so.


What is a freeway ramp meter?

A freeway ramp meter is a traffic management device located at on-ramps to control the rate at which vehicles enter the freeway. It regulates the flow of traffic by controlling when vehicles can merge onto the freeway, helping to improve traffic flow and reduce congestion. Drivers must wait for a green light before proceeding onto the freeway.


When passing through a lock what color light?

When passing through a lock, you should display a red light to indicate that you are locking the gate behind you. This helps to inform other users of the lock of your intention so that they can wait for the lock to be ready for them to use.


How would you describe your motion in terms of velocity and acceleration as you ride in a car down the street come to a red light wait for the green light and then start off again?

As the car moves down the street, the velocity is positive. As it comes to a red light and stops, the velocity decreases to zero. Waiting at the red light, the acceleration is zero. When the light turns green and the car accelerates, the velocity increases from zero to a positive value, and the acceleration is positive.


What are good absorbers of light?

Darker colour indicate better absorption of light. Shiny surface is due to it reflect off the light. When the object to totally dark it is because it absorb all the light and transform to heat. You might want to proof it by placing black object and shiny object in the sun, wait few hour and see which object is hotter.