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The water eventually evaporates.
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Which has less friction a dry road or wet road?
a wet road also see hydroplaning
Why do roads have a rough surface?
the road has a hard surface so that it can be flat and easy to drive on
Why is a wet surface is a better reflector when it is wet?
because the rough surface is wet and a road is not :)
Why does a wet road appears blacker to a driver than a dry road does considering that a dry road is more of a diffuse reflector than a wet road?
The water is shiny, your head lights reflect as if it were a mirror so absence of light is black. Day time has the same answer with the exception that driving into the sun is like driving into a laser beam.
Coefficient of friction of road and tire?
Coefficient of friction on raod and a tire varies depending on the condition of the road and tyre Wet Road: 0.4 Dry Road: 0.7 This is the average coeffecient for these conditions again it can vary
Why roads dry quickly after rain?
The water remains of the surface of the road and thus is able to evaporate quickly when the rain stops and the sun comes out.
Why wet roads dry quickly after rains?
The water remains of the surface of the road and thus is able to evaporate quickly when the rain stops and the sun comes out.
When it rain shower the road surface is likely to be most slippery?
first 30 minutes after the rain
What is the curved surface of a roman road designed to do?
The curvature made the rain drain to the sides of the road.
When the road is wet it takes times longer to stop?
Yes. There is less frictional force between the car tyres and a wet road surface than with a dry road surface.
Why is the road is most slippery when it begins to rain?
As rain falls, the water mixes with oil found on the road's surface, making the pavement slippery.that we use the alakalis to the litmus paper
What is rain?
Rain is a type of precipitation, a product of the condensation of atmospheric water vapour that is deposited on the earth's surface. It forms when separate drops of water fall to the Earth's surface from clouds. Not all rain reaches the surface; some evaporates while falling through dry air. When none of it reaches the ground, it is called virga, a phenomenon often seen in hot, dry desert regions.
Why do drag racing tires have no tread - isn't tread supposed to increase traction?
In ideal conditions, dry weather, great road surface etc. slick tyres offer more rubber to the road therefore greater traction. Normal road tyres are a compromise, on any one trip your car may have to cope with sunshine, rain, sleet, snow, bad road surface, smooth surface, mud, and gravel. Manufacturers have to make a tyre that can cope with that. The result is the tyre on your car.
When During a rain shower the road surface is likely to be most slippery?
In the 30 minutes after the shower begins
Many roads are most slippery when it first starts to rain or snow because?
Accumulated oil residue from the traffic flow during dry weather becomes wet and moves to the surface of the travelled lanes because oil is lighter than water. This makes the road surface extermely slippery.
Why do roads have good drainage systems?
Although the entire road area drainage ditches, margins, road surface and medians must be constructed to prevent flooding, the normal effects of rain and other precipitation must be addressed as well. Both rain and melting ice and snow can erode potholes into the surface of the road, the freezing of water in road cracks can cause growth of the cracks and heaving of the road surface. This can be prevented by a good drainage system from the road surface. The other problem occurs when standing water is allowed to collect on the roads. This can lead to hydroplaning of car tyres with the loss of control of vehicles. Standing water can also freeze leading to a slippery and unsafe road surface.
Does the design on tires effect traction?
Not on a clean dry smooth paved road surface. Otherwise, yes.
