# physics

posted by .

A car traveling at 98 kilometers an hour comes to a stop in 15 seconds. What is the car's acceleration in kilometers an hour per second

• physics -

Convert 98 km/h to 27.2 meters per second and divide that by 15 seconds.

The answer is really negative, since the car is decelerating

## Similar Questions

The distance required for a car to stop is directly proportional to the square of its velocity. If a car can stop in 112.5 meters at 15 kilometers per hour, how many meters are needed to stop at 25 kilometers per hour?
2. ### math

Andrea made a car trip of 440 Kilometers. She averaged 54 Kilometers per hour for the frst part of the trip and 80 kilometers per hour for the secound part. If the total trip took 6 hours, how long was she traveling at 80 kilometers …
3. ### MATH

Andrea made a car trip of 440 Kilometers. She averaged 54 Kilometers per hour for the frst part of the trip and 80 kilometers per hour for the secound part. If the total trip took 6 hours, how long was she traveling at 80 kilometers …
4. ### physics

What force is required to accelerate a 950 kilogram car 20 kilometers per hour to 45 kilometers per hour in 7 seconds?
5. ### Intergated chemistry/physics

The Lamborghini Diablo sports car can accelerate from 0 kilometers/hour to 99.2 kilometers/hour in 4.0 seconds. What is the acceleration of this car in kilometers/hour^2. (hint: you must convert 4.0 seconds before putting it into the …
6. ### Calculus

The maker of an automobile advertises that it takes 11 seconds to accelerate from 15 kilometers per hour to 90 kilometers per hour. Assuming constant acceleration, compute the following. What is the distance the car travels during …
7. ### Algebra

A car leaves a town at 80 kilometers per hour. A second car leaves one hour later. If the second car travels at 125 kilometers per hour, how long will it take the second car to catch up?
8. ### calculus

The maker of an automobile advertises that it takes 15 seconds to accelerate from 15 kilometers per hour to 70 kilometers per hour. Assuming constant acceleration, (a) The distance the car travels during the 15 seconds (Round your …
9. ### Calc

The maker of an automobile advertises that it takes 13 seconds to accelerate from 25 kilometers per hour to 90 kilometers per hour. Assuming constant acceleration, compute the following. The acceleration in m/s^2 The distance the car …
10. ### Algebra

A car is traveling at a rate of 60 miles per hour. What is the car's rate in kilometers per hour?

More Similar Questions