# physics

A sports car moving at constant velocity travels 110m in 5.1s .If it then brakes and comes to a stop in 4.3s , what is the magnitude of its acceleration (assumed constant) in m/s2?

1. 👍 0
2. 👎 0
3. 👁 269
1. velociy=110/5.1 m/s

acceleration= (0-110/5.1 )/4.3 m/s^2

1. 👍 0
2. 👎 0
2. -5.01

1. 👍 0
2. 👎 0

## Similar Questions

1. ### physics

A sports car moving at constant velocity travels 130m in 4.7s, what is the magnitude of acceleration if car brakes at 4.4m?

asked by Anonymous on September 4, 2013
2. ### physics

A sports car moving at constant speed travels 120 m in 5.1 s. If it then brakes and comes to a stop in 4.0 s, what is its acceleration? Express the answer in terms of g's, where g = 9.80 m/s2. (Take the positive direction to be

asked by Hal on August 18, 2011
3. ### physics

A car is moving at 20 m / s before it applies the brakes for 4 s. It slows at a constant rate to 10 m / s. Five seconds after this, the brakes are applied again and stop the car in 5 seconds. The car slows at a constant rate

asked by asfand on May 11, 2017
4. ### physics

A car is traveling at a constant velocity of 21 m/s (about 45 mph). The driver sees a fallen tree lying across the road and hits the brakes after a delay (reaction time) of 245 ms. (1 ms = 10-3 s.) Calculate the distance the car

asked by rosy on September 23, 2015
5. ### Physics

A car starts from rest and accelerates at a rate of 1 m/s^2 until it reaches a velocity of 7 m/s. It then travels at a constant velocity for the next 15 seconds. The driver then applies the brake, bringing the car to stop. The

asked by Ulash on September 14, 2014
6. ### Physics 12

A sports car is travelling along a highway at a constant velocity of 36 m/s [N] exceeding the speed limit. It passes an unmarked police car parked on the shoulder of the highway. The police car accelerates from rest, 3.0 s after

asked by John on September 18, 2014
7. ### Physics

A sports car moving at constant speed travels 150 meters in 5.4 seconds , then brakes and comes to a stop in 3.9 seconds What is the magnitude of its acceleration in ? What is the magnitude of its acceleration in g's (g= 9.80

asked by Tanner on January 20, 2013
8. ### physics

A car is moving with constant velocity. Which of the following is true? a) the car travels the same distance in each second b) car's velocity increases by the same amount in each second c)car's velocity decreases by the same

asked by Tammy on October 15, 2007
9. ### physics

Last question from me Suppose the driver in this example is now moving with speed 39.6 m/s, and slams on the brakes, stopping the car in 4.1 s. (a) Find the acceleration assuming the acceleration is constant. m/s2 (b) Find the