What is the deceleration of a car on a flat street if the driver brakes sharply?


Posted November 1st, 2009 by admin 1 Comment »
car
Fggfg asked:


Suppose that the coefficient of kinetic friction of the rubber of a car tire and the street is = 0.8 k μ . What is the deceleration of a car on a flat street if the driver brakes sharply, so all the wheels are locked and skidding?

What do the numbers in the size of a car tire indicate?


Posted August 10th, 2009 by admin 8 Comments »
car
dragon asked:


I am looking to get new tires on my car today and have P185/70R14 on my car right now. Do I have to buy tires with this exact size for the rims I have on my car? Or, is there some play with some of the numbers? I know the 14 indicates 14inch rims but don’t understand the rest of it.

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What is the different between car’s tire and aircraft’s tire ?


Posted February 22nd, 2009 by admin 4 Comments »
car
HI-LITER asked:


What is the different between car’s tire and aircraft’s tire ?

–> What kind of material is in the cars and aircraft’s tire?
–> (cars and aircraft’s tire), which one can stand higher temp ?
–>Which one can stand more friction?

If the aircraft’s tire can stand more friction and higher temperature, then what kind of material are needed to became lasting higher temperature and more friction in cars tire ??

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