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How do I calculate average speed, when I know the time and the distance.

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Look it up
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Posted on Dec 14, 2014

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What is the average distance i can travel with 40l?


Hi Kevin:
That all depends on how many litres of fuel your vehicle consumes and will vary depending on driving conditions, speed, technique, engine condition, and goodness knows what else.

Let's guess and say you're using 10 litres per 100 km.
40 divided by 10 equals 4
4 times 100 equals 400km

What you will need to do is use your rate of fuel consumption with this calculation.

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How long does it take for a car at average speed to travel 44 miles in louisville ms


the formula for this is time= speed in mph divided by the distance
example 100 mph divided by 100 miles =1hour
there is no average speed as it will be set by speed restrictions so if the 100 miles was all 50 mph speed zone it would take 2 hours.

Jun 30, 2014 | 2008 Saturn Vue Hybrid

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Need the formula for calculating speed, sound, and time


What is so difficult ? If the speed of sound is 2.500m/sec and it is a 9.000m distance divide 9.000 by 2.500 and that will be the time . Not really rocket science is it?

Feb 03, 2014 | Cars & Trucks

1 Answer

A Five cylinder low speed engine has a bore of 29 1/2 inches, a stroke of 63 inches, and a rated speed of 123 rpm what is the average piston speed.


There are two ways to solve this homework problem. If you want full credit, you will solve it using integral calculus as your teacher most likely expects. I am WAY too many years out of engineering school to remember how to do that.
The simple solution takes advantage of the fact that speed is scalar that is presented in units of distance over time, so all you need to know is the total distance traveled over a fixed interval of time.
The stroke is 63 inches and the engine makes 123 complete revolutions in a minute.
123 x 2 x 63 = 15,498 inches per minute average piston speed or 1,291.5 ft/minute
or 14.676 miles per hour
This must be a steam engine.
If your teacher is picky about significant digits, don't forget that the original problem had only two significant digits so the answer you give should have only two significant digits.
When you finish your math homework, your punctuation and capitalization could use some work...

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1 Answer

If your car has 3569 engine hours , how many miles should your car.


You can calculate this (very roughly) by the average speed you think it has done by the hours, so if its a town car and the average speed is 35mph, 35x3569=124,915 miles, but remember you are not including highway driving or warm up and stopage time, the hours tick over even when the vehicle is stationary as long as the motor is running.

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Hey, was wondering what the message center display symbols and what they mean, lost my manual


There are five trip computer displays which may be stepped through by pushing the MODE button. The information will appear in the following order:

D AVG ECON (Average Fuel Economy): This shows the average fuel economy since the last reset.

D INST ECON (Instantaneous Fuel Economy): This shows fuel economy for the most recent second of driving.

D RANGE (Trip Range): This shows the estimated distance that can be traveled with the remaining fuel. The fuel economy used to calculate range is based on the last few hours of driving. When in a low fuel condition, LO is displayed.

D FUEL USED (Trip Fuel Used): This shows the accumulated fuel used since the last reset.

D AVG SPEED (Average Speed): This shows the average speed since the last reset.


You can download a replacement Owner's Manual here: 2002 Chevrolet Impala Owner's Manual (PDF file from www.gmownercenter.com)

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1 Answer

2003 Nissan Maxima SE tachometer clock


Its not a clock its just calculates the time it took to make trip. The display at the bottom of the tachometer area is a "TRIP COMPUTER". It shows OUTSIDE AIR TEMPERATURE, DISTANCE TO EMPTY, AVERAGE FUEL COMSUMPTION, AVERAGE SPEED and JOURNEY TIME. Press the "TRIP" button on the steering wheel to change through the modes. Holding the "TRIP" button for more than one second will reset the mode.

Dec 20, 2009 | 2003 Nissan Maxima

1 Answer

2005 Nissan Pathfinder Gas guage malfunction


If you don't get offered a fix, this is a problem you can learn to live with.

Get used to filling the tank to the brim (that may not be so unusual in your part of the world - certainly is here, the way they tax fuel!) and resetting the trip counter on your dash every time you fill up.

For the first few times, fill up after a couple of hundred miles; note the amount of fuel it takes and the distance you've driven. Divide miles by gallons to get your average fuel consumption (average this over a few goes to get a reliable figure).

Find out from the user manual how much fuel the tank holds (if it gives several figures, the one you want is "useable" fuel). Multiply this capacity by the consumption you calculated earlier, and you'll get a very good estimate of the distance you can go before you run out.

Now all you need to do is to keep an eye on the trip counter, and remember to refuel every time you get to (say) 75% of your theoretical maximum distance.

This method has worked well for me over a number of vehicles, none with a particularly effective fuel gauge.

A.

May 26, 2009 | 2005 Nissan Pathfinder

3 Answers

CHECK ENGINE LIGHT ON, WHAT IS DME CONTROL MODULE


Digital Motor Electronics (DME) is a microprocessor-based system that controls the ignition, the fuel injection, the oxygen sensor and numerous ancillary functions. DME provides raw data to an on-board computer that uses an alphanumeric display to provide you with information such as the average fuel consumption, the distance you can still cover with fuel in the tank, an average speed, outside temperature and more.
In the industry, DME is often referred to as the Engine Control Unit (ECU), under the heading of Electronic Engine Management Systems.
DME operates by continually monitoring such factors as engine temperature, speed, intake airflow, exhaust gas composition, and even the altitude. DME then literally fine-tunes the engine hundreds of times a second to provide maximum performance and efficiency. DME has a fail-safe program in the event of certain electrical faults. Current DME versions also have on-board diagnostics (OBD).

The 1998 Boxster location is in the rear trunk space on the left side on the firewall under the carpet.

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