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CASE:  Cadillac Escalade SUV vs.  Subaru Outback Wagon CASE:  Cadillac Escalade SUV vs.  Subaru Outback Wagon

CASE: Cadillac Escalade SUV vs. Subaru Outback Wagon - PowerPoint Presentation

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Uploaded On 2018-02-28

CASE: Cadillac Escalade SUV vs. Subaru Outback Wagon - PPT Presentation

DATE 18 October 2013 TEAM OF EXPERTS Auto expert Katie Davis Collisions Expert Hudson Bryant Investigator Sarah Buelow Speed Limit 35 kilometers hour Subaru Outback Wagon ID: 639204

energy collision velocity meters collision energy meters velocity kinetic escalade cadillac suv subaru outback wagon objects final speed meter

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Presentation Transcript

Slide1

CASE:

Cadillac Escalade SUV vs. Subaru Outback Wagon

DATE:

18, October 2013

TEAM OF EXPERTS:

Auto expert – Katie Davis

Collisions Expert- Hudson Bryant

Investigator- Sarah

BuelowSlide2

Speed Limit = 35 kilometers/ hour Slide3

Subaru Outback Wagon

Velocity Initial before collision= 0 meter/ second

Velocity Initial after collision= 12 meters/second

Velocity Final before collision= 0 meter/second

Velocity Final after the collision= 0 meters/secondAcceleration with breaks locked= -2 meter/second^2Change in position= 24 meters Slide4

Cadillac Escalade SUV

Velocity Initial before collision= 12.1 meters/ second

Velocity Initial after collision= 2.828 meters/second

Velocity Final before collision= 12.1 meter/second

Velocity Final after collision= 0 meters/second

Acceleration with breaks locked= -2 meters/second^2

Change in position= 2 metersSlide5

Kinetic Energy

T

he energy of motion. KE=1/2mv^2

Energy is the ability or capacity to do work (moving an object)

Kinetic Energy is the ability or capacity of a moving object to move another object.Elastic Colliding objects bounce off each other, which typically occurs if objects are very hard or bouncy. Sum of the Kinetic Energy of all the objects after the event. Kinetic Energy is conserved in elastic collisions. Inelastic

Two objects collide and stick together.

Some of the Kinetic Energy is converted into other types of energy (heat, sound, etc.)

Kinetic Energy is not conserved.

Most Collisions fall somewhere between the extremes of a completely elastic collision and a completely inelastic collision.Slide6

A traffic accident

occurred on October 18

th

, 2013

in a 35 km/hr speed limit zone on Millway Street in which a 3000-kg Cadillac Escalade SUV rear-ended a 2000-kg Subaru Outback Wagon that was stopped at a stop sign. Based on the analysis of the auto expert, the collisions expert, and the investigator we were able to conclude that the inelastic collision between the Cadillac Escalade and the Subaru Outback Wagon was caused by the driver of the Cadillac Escalade exceeding the speed limit by 4 km/hr. This increase in speed decreased the amount of stopping time needed to stop the 3000-kg SUV witch resulted in the collision.

Conclusion