Calculating power output of a car

In summary, the power output of a car is calculated by multiplying the force applied by the car with its velocity, expressed as P = F x v, where P is power, F is force, and v is velocity. The unit of measurement for power output is watts (W) or horsepower (hp). The power output of a car can vary depending on factors like engine size, fuel type, and environmental conditions, and can be modified through tuning or upgrades. It directly affects a car's performance, as a higher power output results in better acceleration and overall performance. However, power output is not the only factor that determines a car's performance, as weight, aerodynamics, and traction also play a significant role.
  • #1
cherrydeee
2
0
1.)what is the power output of a 1200kg car that can go from 25 km/hr to 100 km/hr in 12 secs. Neglecting air resistance and rolling friction.

2.)a woman skis down a slope 300ft high. her speed at the foot of the slope is 60 ft/sec. what percentage of her initial potential energy was dissipated?
 
Physics news on Phys.org
  • #2
cmon show how you attempted the problem.
 

Related to Calculating power output of a car

1. How is power output of a car calculated?

The power output of a car is calculated by multiplying the force applied by the car with its velocity. This is expressed as P = F x v, where P is power, F is force, and v is velocity.

2. What is the unit of measurement for power output of a car?

The unit of measurement for power output of a car is watts (W). In some cases, it may also be expressed in horsepower (hp).

3. Can power output of a car vary?

Yes, the power output of a car can vary depending on factors such as engine size, fuel type, and environmental conditions. It can also be modified through tuning or upgrades.

4. How does power output affect a car's performance?

The power output of a car is directly related to its performance. A higher power output means the car can generate more force and achieve higher speeds, resulting in better acceleration and overall performance.

5. Is power output the only factor that determines a car's performance?

No, power output is not the only factor that determines a car's performance. Other factors such as weight, aerodynamics, and traction also play a significant role in a car's overall performance.

Similar threads

  • Introductory Physics Homework Help
Replies
20
Views
961
  • Introductory Physics Homework Help
Replies
5
Views
2K
  • Introductory Physics Homework Help
Replies
20
Views
3K
  • Introductory Physics Homework Help
Replies
7
Views
9K
  • Introductory Physics Homework Help
Replies
4
Views
2K
Replies
15
Views
2K
  • Classical Physics
3
Replies
95
Views
4K
  • Introductory Physics Homework Help
Replies
15
Views
10K
Replies
1
Views
2K
  • Introductory Physics Homework Help
Replies
2
Views
2K
Back
Top