How long does it take for the last car to come to rest momentarily?


Posted November 9th, 2010 by admin 1 Comment »
car
lisa asked:


A train is traveling up a 4.4 degrees incline at a speed of 2.45 m/s when the last car breaks free and begins to coast without friction.
How long does it take for the last car to come to rest momentarily?
How far did the last car travel before momentarily coming to rest?

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Posted in Physics | 1 Comment »

A circular automobile racetrack is banked at an angle θ such that no?


Posted March 25th, 2010 by admin 1 Comment »
automobile
shay asked:


A circular automobile racetrack is banked at an angle θ such that no friction between road and tires is required when a car travels at 26.5 m/s. If the radius of the track is 386 m, determine θ.

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Posted in Physics | 1 Comment »

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 ??

http://www.eyeprocedure.com/

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Posted in Aircraft | 4 Comments »