Driving+Safety+Hazard

**Introduction**
There are many car collisions in the United Sates that occur for reasons such as: distracted drivers, careless drivers, high speeds, etc. By the use of kinematics these collisions can be avoided. Although people will continue to be careless and distracted driver's, those who do care and are not distracted can protect themselves. All driver's should maintain safe speeds and consider other people while driving. A driver should know the acceleration of their car and the sped limit they should travel on different roads. With the application of kinematics and awareness while driving, people can ensure safety while driving.

**Statistics**
Of all people involved in car accidents each hour, approximately four people die.

“Car accidents are the leading cause of death in the united States…around 36 percent of teenagers die due to car accidents.”

“…Most car accidents involving teenagers are on account of reckless and negligent driving and driving under the influence of alcohol.”

“…Teenagers are not only irresponsible but also inexperienced drivers who do not want to follow safety measures while driving.”


 * //1) Jack is driving to college in King of Prussia on I-95. The speed limit on the highway is 65mph (29.06 m/s). Because Jack is in a rush his speed is 75mph (33.5 m/s). He decided to swerve in and out of lanes to avoid as much traffic as possible. Eventually he is no longer able to cut across lanes. He collides with Jane who is driving at the specified speed limit.//**

//*Distances between cars: 10m, 15m, and 20m...//


 * [[image:1.png]][[image:3.png]]

//If Jack’s velocity was 81mph (36.2 m/s)…//**



//**2) A man is driving under the influence on a residential road with a speed limit of 30mph (13.4 m/s). The man is driving in the wrong lane at 40mph (17.9 m/s) with his headlights turned off. In the same lane is another driver who is not drunk and is driving the speed limit toward the drunk driver.**



//

In the event that the sober driver saw the drunk driver before the collision and immediately slowed down, the collision could be avoided for all of the specified distances. The stopping distance of the car is approximately 24 m. The distances are 25m, 40m and 55m, which are all greater than the stopping distance. The sober driver would have time to slow down and move out of the path of the drunk driver. Change in time
 * A= __Change in velocity__

A=-13.4m/s/0.8s

A=16.75m/s2**

**Process to Develop Scenario**
Think of real life situations involving collisions due to exceeding the speed limit.

Find the speed limits of highways, residential roads, and other speed limits in certain parts of the city.

Determine a situation where someone may be in the predicament (exceed the speed limit) or (drive in the wrong lane) Determine: where they are going, what road they are traveling on, what the speed limit is, etc.

How any people will be involved in the collision? What are their speeds?

Determine different distances between the two drivers.

Conversion from mph to m/s Set up an equation that represents each person’s position and velocity. Example: 17.9t -10 17.9 is the constant velocity -10 is the starting position

Graph two equations (each describing a different driver’s velocity from their starting point).

Find the collision position and the collision time.

Kinematics applies to driving in many ways and can be applied to certain situations such as: collisions, traffic lights, etc. Kinematics can provide information regarding velocity, displacement, acceleration and position. If a driver needs to get somewhere in a hurry they can do so without reaching an outrageous speed causing collisions and other hazards by planning their route and considering traffic. If a driver is in a situation that could result in ahead on collision due to a drunk or distracted driver they can determine their change in speed and acceleration. Kinematics can help drivers alter their routes and velocity according to their situation while assuring safety.
 * Conclusion **

** Reflection **
Throughout the quarter we have done numerous quizzes, review sheets and experiments. All of the assignments we had provided a deeper understanding of kinematics that could be applied to real-life and the project we completed. The communication between my group members was good, but could have been better. Each person was assigned a different scenario, and it was difficult for some of us to thoroughly complete our parts. The quizzes in this section were difficult, but relevant to what we had been doing in class prior to taking them. Everything correlated and gave us a chance to understand kinematics regardless of the difficulty.

__//SOURCES//__

__[|http://1.bp.blogspot.com/_7EXjdr2Pns/SMvJ6ZUSwHI/AAAAAAAAEYc/bJhszOceksw/s400/Cell-Phone-Driver.jpg]__

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