Tire Definition and 185 Threads

Homework Statement An automobile tire has a volume of 1.50x10^-2 m^3 on a cold day when the temperature of the air in the tire is 3.0 C and atmospheric pressure is 1.02 atm. Under these conditions the gauge pressure is measured to be 1.65 atm. After the car is driven on the highway for 30...

Homework Statement "A friend asks you how much pressure is in your car tires. You know that the tire manufacturer recommends 30psi, but it's been a while since you've checked. You can't find a tire gauge in the car, but you do find the owner's manual and a ruler. From the owner's manual you...

1. A stone has a mass of 3.92 g and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.864. When the tire surface is rotating at 18.4 m/s, the stone flies out of the tread. The...

I had my car tires inflated by 10-20%, and my mileage (mostly city) went from 22.5 to 25 mpg. Does this sound feasible?

Everywhere I read on tire pressure for bikes I hear that lower pressure gives you increased control and climbing traction. Lower tire pressure gives you more surface area between your tires and the ground. Whatever the frictional coefficent may be of the surface you are riding on (and your...

Homework Statement Hi, I need a big help on how to carry on with this problem: You witnessed the failure of a nylon rim which exploded injuring the person filling the tire with air. Develop a documented mathematical model that predicts the time required to reach a specific pressure. Your...

Changed my first tire! Yahoo! I am a computer nerd and not at all into autos. So when I found one of my car tires slashed this morning I was a bit in a panic. But I opened my owners manual and actually worked my way through getting the spare tire on. Woohoo I feel good!

Homework Statement I don't know if I am posting in the wrong thread. This is not a question for solving a homework, but a question to help me write some homework students will have to solve. I teach algorythmics to mechanics students. The program they are developing is about driving a car...

[bpump add air into the flat tire in the gas station. The compressed air is at 180 psia and 60F(+460). the tire is initially at vaccum, therefore p0=0 psia. Air is added into the tire until it reaches Pf =32.9 psig which is (23.9+14.7=47.6 psia), then stopped . this process is adiobatic which...

pump add air into the flat tire in the gas station. The compressed air is at 180 psia and 60F(+460). the tire is initially at vaccum, therefore p0=0 psia. Air is added into the tire until it reaches Pf =32.9 psig which is (23.9+14.7=47.6 psia), then stopped . this process is adiobatic which...

Pebble in a rolling tire -- finding velocity and acceleration Homework Statement ou are to find the coordinates of a pebble stuck in the tread of a rolling tire that is rotating counterclockwise (i.e., in the positive sense) with angular velocity w. The tire rolls without slipping on the...

Homework Statement You are to find the coordinates of a pebble stuck in the tread of a rolling tire that is rotating counterclockwise (i.e., in the positive sense) with angular velocity omega. The tire rolls without slipping on the ground (which is at y = 0 ). The outer radius of the tire is...

hey.. do somebody here know or have dimensions standards on steel-rims for 12.00 R 20 tire

The other day when I had to stop and get a tire fixed, I soon struck up a conversation with the repairman. Well, actually he struck up a conversation with me, but at first I was interested as he seemed to be quite a science fan. Unfortunately it didn't take long before I was informed of the...

http://thatvideosite.com/video/3651"

Car tires seem to bounce very well however they are easily unbalanced and tend to tip over very easy. If you were to connect say 2 or 3 similar tires together and then dropped it, it should prevent the tires from tipping over and stop bouncing. This will however make the mass significantly...

Please excuse my ignorance, but I'm searching for help. Is there a simple way for a blue collar guy to use data from his data logging device to calculate longitudinal tire slip ratio? I have g's, driveshaft rpm, time and distance for data. This will be used in a Drag Racing application.

Is it true that there are metal wires in the tires of two wheelers where as car tires come with metal plates inside them?

Homework Statement A bicycle has 30cm radius tires with gear and pedal dimensions as shown. IF the maximum vertical force that a 70kg rider can exert is equal to his/her body weight, what is the horizontal force that can be exerted on the ground by the rear tire...

On a cool morning, when the temperature is 16.0 C, you measure the pressure in your car tires to be 20.0 psi. After driving 50.0 mi on the freeway, the temperature of your tires is 38.0 C. What pressure will your tire gauge now show? I have Ti = 289 K Tf = 311 K R = 8.31...

hi to all problem: a truck with a total weight of 5000kN and with 4 wheels will be placed on 4 glass cups each under one wheel. if each tire has a internal air pressure of 2MPa. what will be the load on each cup? and if the truck was standing on the road without the cups under wheels what...

Hi All, This is my first time posting here - I hope you can help! I'm working on a vehicle shock simulation, and my question below will help me understand some dynamics (really statics) involved in my problem. How is it possible to change the pressure in your car's tires? If one were...

Tire inflation to determine weight - solved The problem goes as follows: he four tires of an automobile are inflated to a gauge pressure of 1.85E+5 Pa. Each tire has an area of 0.0237 m2 in contact with the ground. Determine the weight of the automobile. But I've applied the Pfluid = F/A...

Just curious if this was the right way to do this problem. A tire is going at 180 rev/min. There is a rock in the tire (on the outside) and the tire has a radius of .5 meters. What is the speed and acceleration of the rock? 180 rev/min = 3 rev / s 3 rev/s means its going 3...

here's another one that stumped me An automobile tire is inflated with air originally at 10C and normal atmospheric pressure. During the process the air is compressed to 28% of its original volume and the temperature is increased to 40C. a) what is the tire pressure? b) after the car is...

http://www.dumpalink.com/media/1132567542/Import_Drifting_Video Let it keep playing, this guys driving with one hand and one foot! Look how they are counter steering in the direction they want to turn!

Can anyone help me with these problems? 1.A tire placed on a balancing machine in a service station starts from rest and turns through 5.5 revs in 1.2 s before reaching its final angular speed. Assuming that the angular acceleration of the wheel is constant, calculate the wheel's angular...

Hi Guys! im having trouble in solving this prob can u tell me the hints as well as the correct answer of this prob: an automobile tire is filled to a gauge pressure of 2000 kPa when it is at an air temperature of 20 degree celsius. After the car has been driven at high speed, the tire...

If a car tire (front right) is has a leak that is located on its side (not the road-tire interface) will the car leak more air if it is stationary or when it is rolling. (1) going straight on level ground or as level as possible (2) inclines/declines (3) turns (4) any other...

i have a small hand pump, that i can set on a block of wood and put all of my weight against to get some pretty high pressures. i dont' have a good gauge so I'm not really sure what i can do with it, other than get tires pretty high pressure (if i had to guess, at the least 75psi). i...

Can someone get me started? This is a homework question that I just can't get started on. No wonder it's a "challenge" question. A car is traveling at 100km/hr. A) What is the angular speed of a tire which has a radius of 36cm. B) Through how many radians will the tire turn in 30s at...

Suppose you have the air inside a tire traveling down the length of the tire (that is, in circular motion inside the tire). Now as the air slows down inside the tire, what happens to the tire pressure?

I have been trying to understand how to calculate the temperature of the air escaping from a blown up tire. I know its adiabatic cooling - but is it as simple as PV = nRT? Thanks

Why is the radial tire considered better than other kinds of tires? Marketing hypes aside (if any), what is the scientific reason/rationale behind the generally accepted claim?

You have a bike tire with X mass and Y moment of inertia. You hold the tire on a vertical plane just slightly above the ground. You then spin it to give it Z amount of angular momentum. If you were to let the tire drop to the ground, what would its acceleration and final velocity be? (not...