Evidence_1D3

= Evidence for First Period Defense 3 =
 * Collected by Matt Margolis, Police Officer and Brian O'Flaherty, Expert Witness**

Location: Intersection of Spring Valley Rd. and Grand Avenue in Montvale. Intersection and Spring Valley Rd are level Eastern approach of Grand Ave slopes downward towards Spring Valley Rd. (angle of 10 degrees). **NOTE:This angle is negligible in all aspects of the calculations.** Intersection controlled by stoplight. Temperature at time of collision: 58 °F. Sunny with few clouds. Date and Time: Sunday April 11, 2010 at about 7:00 am.

Vehicle Information:
__**MV1 (Striking Vehicle)**__
 * Make: 1999 Toyota Camry
 * Tag: NJB 934
 * VIN: QIYHRTY01298547465
 * Color: Forest Green
 * Mass: 1415 kg


 * __MV2__**
 * Make: 2002 Subaru Forester
 * Tag: NJW 489
 * VIN: TYHNFVBN65747321923341
 * Color: Blue
 * Mass: 1436 kg

Damage

 * MV1**
 * Front right corner and entire right quarter panel of MV1 has heavy contact damage
 * Crush zone of MV1 is approximately 3-4 feet wide and a maximum depth of 1.5 feet
 * Front windshield cracked
 * Right front passenger window was shattered
 * Blue transfer paint was visible on the right quarter panel and along the passenger side doors
 * Right front tire was flat and its aluminum hub was cracked
 * MV2**
 * Driver’s door crushed inward
 * Crush zone of MV2 is approximately 3-4 feet wide and a maximum depth of 2 feet
 * Steering wheel and the driver’s seat are displaced towards the passenger side of the vehicle
 * Left quarter panel appears to have been torn from the car and was found rest against the bank located 10 feet in front of the two cars
 * Right front tire was twisted towards the left

Tires
MV1 MV2
 * All tires Michelin MR4
 * Appear to have normal wear
 * All tires Goodyear Eagle GT 215/60R16
 * Appear to have normal wear

Crash

 * Passenger side of MV1 came to rest parallel to and entangled with the driver side of MV2
 * Driver side of MV2 came to rest parallel to and entangled with the passenger side of MV1

Aerial View of Crash
Exhibit B

Post-Crash

 * Gouge marks on the roadway
 * Tire prints of MV1 demonstrate a tremendous downward thrust due to impact
 * Cars jumped a curb

Details from Bilash-Burns LLC - Technical Consultants
__**MV1 Damage Profile**__-->Exhibit H
 * Damage zone width = 1.0 ft
 * C1 = 12”, C2 = 15”, C3 = 15”



__**MV2 Damage Profile**__-->Exhitib H
 * Damage zone width = 1.0 ft
 * C1 = 12”, C2 = 14”, C3 = 22”, C4=12”, C5=9”

Additional Information:
MV2 is equipped with an Event Data Recorder (EDR) that indicates that the speed of the vehicle was 35.6 mph at the time the driver side air bags were deployed.

= __Calculations__ =

__Definitions: Crush Energy__
Exhibit K



Total CE of MV1 is 28664 foot pounds, which converts to 38926 Newton meters.
=Finding Final Velocity of Collision=

Variables
=Energy equation to find V1o to substitute into other equation.= d=1.14 meters == =Equation for Perfectly Inelastic Collision: Finding Velocity of MV2 Moment Before Impact= = =

= = = = =Finding Velocities Moment Before Braking=

= Summary of Calculated Information = __**MV1**__
 * Velocity of car moment before braking = 8.4m/s = 18.8 mph
 * Velocity of car moment before collision = 26.4 mph

__**MV2**__
 * Velocity of car moment before braking = 10.9 m/s = 24.4 mph
 * Velocity of car moment before collision = 42.3 mph

= = =Accelerations= === __Fastest Possible Accelerations__ 0 to 60 Information taken from  __[|www.theautochannel.com]__ / ===

__Theoretical Accelerations Based on Calculated Velocities__
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