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Archive for January, 2008


Do cars burn more gas after a cold start on a wintery morning?

After starting my drive at 5am, I see the smoke coming out of my car in the rear view mirror. The smoke disappears after the engine has reached its normal operating temperature. Similarly one can see smoke at the tail pipe of almost all cars coming out of various subdivisions in the morning. But no car on the highway has a smoke trail behind it. Hence the question – do cars burn more gas after a cold start until engine becomes hot enough?

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Are cars at an Insurance Auto Auction repaired before being sold to the public?

hi im planning on buying a car from a local Insurance Auto Auction. I know that the vehicle is a salvage title and the pictures they have shown are the pictures of the cars damage, but i wanted to know if they repair the car before they put it up for bidding or do they sell the car damaged and the buyer has to repair the car. THANKS

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Suppose a car can accelerate at 1m/s2. How large a break in traffic is needed to enter a highway where cars?

Suppose a car can accelerate at 1m/s2. How large a break in traffic is needed to enter a highway where cars are moving a 20m/s if the drive wants to avoid forcing the next car to slow down or to approach closer than 25m?

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None :P None :P