the degrees of racing created by keith johnson, alan riley, and brandon sasser
TRANSCRIPT
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The Degrees of RacingThe Degrees of Racing
Created byKeith Johnson, Alan Riley, and Brandon Sasser
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1936 Daytona Begins the Dream The Sacrifice of War 1948 The Birth of National Association for Stock Car
Auto Racing (NASCAR) Bill France, Founder of NASCAR and International
Speedway Corporation (ISC) 1971 Winston Cup Series Begins 2004 Nextel Cup Series Begins
The History Of NASCAR
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The Southern Sport Goes NationalThe Southern Sport Goes National
• NASCAR becomes #1 spectator sport in 2000.
• Eighty million television viewers in 2000
• 3 divisions of NASCAR• Winston Cup Series• Busch Series• Craftsman Truck Series
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Banking On The TurnBanking On The Turn
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grv )(tan)( 2max
Design Speed EquationDesign Speed Equation
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Equation of Maximum VelocityEquation of Maximum Velocity
(Vmax)2 = [(sin + scos) / (cos - ssin)]gr
is equal to the degree of banking of the particular turn
s is the coefficient of static friction between the
track and the tires g is acceleration due to gravity r is the radius of the particular turn
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Derivation of Maximum Derivation of Maximum Velocity EquationVelocity Equation
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0sincos ysNy mafmgFF
mgFF NsN sincos
)sin/(cos sN mgF
rvmmafFF xsNx /)(cossin 2max
Nss Ff
rvmmgmg sss /)()]sin/(coscos[)]sin/(cossin[ 2max
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grv )(tan)( 2max
grv ss )]sin/(cos)cos[(sin)( 2max
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Darlington Raceway1.366-Mile Egg-shaped Oval
Turns 1 & 2
Banking: 25° Width: 79 FtRadius: 600 Ft
Turns 3 & 4
Banking: 23° Width: 62 Ft Radius: 525 Ft
Backstretch
Length: 1,229 Ft Width: 90 FtBanking: 2°
Frontstretch
Length: 1,229 Ft Width: 90 FtBanking: 3°
Qualifying Record: 173.797 mph
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Finding the Coefficient of Static Finding the Coefficient of Static FrictionFriction
grss )]23sin23/(cos)23cos23[(sin)138( 2
98.s
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Talladega Superspeedway2.66-Mile Trioval
48 Ft wide
33°
33°
18°
Turns
Length: 3,750 Ft
Radius: 1,100 Ft
4,000 Ft
Frontstretch
Chute: 2,150 Ft
Total: 4,300 Ft
2003 Pole Speed: 189.943 mph
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Talladega Super SpeedwayTalladega Super Speedway
Turns are banked 33 degrees Radius of turns is 1100 feet
)2083)(.78967)](33sin98.33/(cos)33cos98.33[(sin2max V
5.271max V
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Daytona International Speedway2.5-Mile Trioval
40 Ft wide
31°
31°
18°
3,000 Ft.
Turns
Length: 3,000 Ft
Radius: 1,000 Ft
Frontstretch
Chute: 1,900 Ft
Total: 3,800 Ft
2003 Pole Speed: 184.752 mph
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Daytona Super SpeedwayDaytona Super Speedway
31 degree banking in turnsTurns have 1000 foot radius
)1894)(.78967)](31sin98.31/(cos)31cos98.31[(sin2max V
8.239max V
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Bristol Motor Speedway.533-Mile Concrete Oval
40 Ft Wide
Turns- 36°
Straightaways
Length: 650 Ft
Banking: 16°
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Bristol Motor SpeedwayBristol Motor Speedway
Corners are banked at 36 degreesRadius is 241 feet
)0457)(.78967)](36sin98.36/(cos)36cos98.36[(sin2max V
2.146max V
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Lowe’s Motor Speedway1.5-Mile Quad-oval
Turns
Banking: 24°
Frontstretch: 1,952 Ft
Banking: 5°
Backstretch: 1,360 Ft
Banking: 5°
Qualifying Record: 186.657 mph
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Lowe’s Motor SpeedwayLowe’s Motor Speedway
)1389)(.78967)](24sin98.24/(cos)24cos98.24[(sin2max V
5.166max V
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SourcesSources
Nascar.com
Quicktv.net
National Broadcasting Corporation
Nascar-info.net
Findarticles.com
Darlingtonraceway.com
Bristolmotorspeedway.com
Talladegasuperspeedway.com
Daytonainternationalspeedway.com
Physics.bu.com