What is the Minimum Time for Acceleration in an Auto Engine Power Problem?

In summary, a Max engine Power Problem refers to an issue with an engine's performance where it is unable to reach its maximum power output. This can be identified through a decrease in performance, warning lights on the dashboard, or unusual noises. Common causes include clogged fuel injectors, dirty air filters, and faulty spark plugs, and it can be fixed by addressing the specific cause. Regular maintenance and prompt attention to warning signs can help prevent this issue.
  • #1
tmobilerocks
25
0

Homework Statement


An auto manufacturer reports that the maximum power delivered by the engine of a car of mass 1230 kg is 92.4 kW. Find the minimum time in which the car could accelerate from rest to 29.1 m/s. In a test the time to do this is found to be 12.3 s. Account for the difference in this time.

Homework Equations


P = W/t
Work-KE theorem

The Attempt at a Solution


t = [itex]\frac{W}{P}[/itex]
= [itex]\frac{.5(1230)(29.1)^{2}}{92.4(10^{3})}[/itex]
= 5.64s

The difference in time is due to not accounting for friction force.
 
Physics news on Phys.org
  • #2
Well done: did you have a question about this problem?
 

Related to What is the Minimum Time for Acceleration in an Auto Engine Power Problem?

1. What is a "Max engine Power Problem"?

A Max engine Power Problem refers to an issue with an engine's performance where it is unable to reach its maximum power output, even when under high load. This can be caused by a variety of issues such as mechanical problems, fuel delivery issues, or problems with the engine's electronic control system.

2. How can I identify if my engine has a Max engine Power Problem?

You may notice a decrease in your engine's performance, such as slower acceleration or difficulty maintaining speed. You may also see warning lights on your dashboard, or experience unusual noises or vibrations coming from the engine. It is important to have your engine checked by a professional if you suspect a Max engine Power Problem.

3. What are the common causes of a Max engine Power Problem?

Some common causes of a Max engine Power Problem include clogged fuel injectors, dirty air filters, faulty spark plugs, or a malfunctioning oxygen sensor. Other potential causes could be a damaged turbocharger, a worn-out engine, or a faulty fuel pump. It is best to have a professional diagnose the specific cause in order to address it properly.

4. Can a Max engine Power Problem be fixed?

Yes, a Max engine Power Problem can be fixed. The solution will depend on the specific cause of the problem. In some cases, a simple tune-up or replacing a part may fix the issue. In more severe cases, it may require more extensive repairs or even a complete engine replacement. It is important to address the problem as soon as possible to avoid further damage to the engine.

5. How can I prevent a Max engine Power Problem?

Regular maintenance and servicing of your engine is crucial in preventing a Max engine Power Problem. This includes changing air filters, spark plugs, and other components according to the manufacturer's recommendations. It is also important to use high-quality fuel and to address any warning signs or unusual engine behavior promptly. Keeping up with regular maintenance can help keep your engine running smoothly and prevent potential issues.

Similar threads

Maximizing Range/Time in Air of an Airplane: Solving with Calculus
    • Introductory Physics Homework Help
Replies
4
Views
1K
What is the power of a car engine?
    • Introductory Physics Homework Help
Replies
6
Views
1K
What is the relationship between engine power, force, and speed?
    • Introductory Physics Homework Help
Replies
8
Views
2K
Thermodynamics problem involving engine efficiency
    • Introductory Physics Homework Help
Replies
20
Views
2K
Worksheet Problem about Power (average power of a car accelerating up a hill)
    • Introductory Physics Homework Help
Replies
2
Views
1K
Wattage an of engine sufficient to move a car
    • Introductory Physics Homework Help
Replies
15
Views
1K
How Long Does It Take a Car to Climb a Hill with Limited Power?
    • Introductory Physics Homework Help
Replies
2
Views
4K
What is the power input of a motor pulling up an elevator?
    • Introductory Physics Homework Help
Replies
3
Views
2K
Calculating Gasoline Consumption for Car Acceleration
    • Introductory Physics Homework Help
Replies
1
Views
1K
Determining power output at different time intervals
    • Introductory Physics Homework Help
Replies
4
Views
2K

Hot Threads

Recent Insights

Back
Top