APPENDIX
Traffic flow:
the relationship between linear and angular speed:
mass flow rate
mass
time
specific weight
weight
volume
specific gravity
density of a material
density of water@4°C
specific volume
volume
mass
density
mass
volume
angular acceleration
change in angular speed
time
Vrv
angular speed: v
¢u
¢t
volume flow rate
volume
time
average acceleration
change in velocity
time
average speed
distance traveled
time
q
3600 n
T
mass flow rate (density)(volume flow rate)
linear momentum:
spring force (Hooke’s law):Fkx
weight:Wmg
hydrostatic pressure:Prgh
buoyancy:FBrVg
stress – strain relation (Hooke’s law): sEe
Temperature conversion:
Newton’s law of cooling:qhA(TsTf)
coefficient of thermal linear expansion:
coefficient of thermal volumetric expansion:
av
¢V
V¢T
aL
¢L
L¢T
radiation: qesAT
4
sFourier’s law: qkA
T 1 T 2
L
T 1 K 2 T 1 °C 2 273.15 T 1 °R 2 T 1 °F 2 459.67
T 1 °F 2
9
5
T 1 °C 2 1 T 1 °C 22 32
5
9
1 T 1 °F 2 322
Newton’s law of gravitational attraction: F
Gm 1 m 2
r
2Newton’s second law:aFma
L
!
mV!
A Summary of Formulas Discussed in the Book
62080_21_APP_p684-688.qxd 5/21/10 8:11 PM Page 684
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