why do Automobile engines have a drag when we decrease acceleration. Is it not a waste on fuel?


Posted May 9th, 2010 by admin 6 Comments »
automobile
john k asked:


Drag means if you down acceleration of the moving vehicle, its speed reduces not solely by gravitation but due to the pull of the vehicle engine.

an automobile starts from rest and in 100 ft attains a speed of 30miles/hour. in what time has it traveled and


Posted April 11th, 2010 by admin 2 Comments »
automobile
eyra_027 asked:


an automobile starts from rest and in 100 ft attains a speed of 30miles/hour. in what time has it traveled and what is the acceleration?

Can an automobile having a velocity toward the north?


Posted April 9th, 2010 by admin 2 Comments »
automobile
EDWIN C asked:


Can an automobile having a velocity toward the north
have an acceleration toward the south?

At the instant the traffic light turns green, an automobile that has been waiting at an intersection starts?


Posted March 14th, 2010 by admin 2 Comments »
automobile
thewayworldturns asked:


At the instant the traffic light turns green, an automobile that has been waiting at an intersection starts ahead with a constant acceleration of 2.20 . At the same instant, a truck, traveling with a constant speed of 14.8 , overtakes and passes the automobile.

How far beyond its starting point does the automobile overtake the truck?

How fast is the automobile traveling when it overtakes the truck?

physics help!

What is the acceleration of the automobile after two seconds?


Posted March 14th, 2010 by admin 1 Comment »
automobile
runninonfaith99 asked:


An automobile travels following the position function s(t)=-2.5t^2+32t. What is the acceleration of the automobile after 2 seconds?
A. 28 ft/sec
B. -5 ft/sec^2
C. 22 ft/sec
D. -2.5 ft/sec^2

When can an automobile with a velocity toward the north have an acceleration toward the south?


Posted January 7th, 2010 by admin 4 Comments »
automobile
Isabella asked:


When can an automobile with a velocity toward the north have an acceleration toward the south?

I’ve been struggling with this concept and I would really appreciate any help.

What is the total distance travelled for an accelerating automobile?


Posted January 6th, 2010 by admin 7 Comments »
automobile
Stephanie C asked:


An automobile accelerates from rest at 2.6m/s^2 for 18 sec. The speed is then held constant for 15 sec, after which there is an acceleration of -2.9m/s^2 until the automobile stops.
What is the total distance travelled?

How does lowering your car affect your driving at fast rates?


Posted August 9th, 2009 by admin 5 Comments »
car
Marco F asked:


I want to know what is affected when you lower your car, turning and acceleration.

http://www.ihearclear.com/blog/

What causes a car to hesitate and backfire?


Posted July 10th, 2009 by admin 7 Comments »
car
big_deezy asked:


I have a 91 jeep cherokee 6cyl and fuel injected, i have tried using fuel injector cleaner but hasnt stopped. During acceleration the car hesitates and backfires. What would cause this?? What would I need to fix?

http://www.prohomeschool.com/blog/

What is the best car to buy and fix up?


Posted March 30th, 2009 by admin 6 Comments »
car
dudewheresmygrl asked:


I’m planning to buy a used car for under $3000. I would like a car that has a pretty fast acceleration rate, rear wheel drive, easy to fix up / tune up, looks nice, any ideas?

http://www.realfreshfood.com/blog/