SI System
a standard system of units for the fundamental quantities of science
meter
the distance light travels in a vacuum during 1/299 792 458 of a second; SI unit for length
kilogram
mass of a platinum-indium alloy cylinder kept in france; SI unit for mass
second
9 192 631 700 times the period of oscillation of radiation from the cesium atom; SI unit for time
atto- / 10^-18
a
femto- / 10^-15
f
pico- / 10^-12
p
nano- / 10^-9
n
micro- / 10^-6
μ
milli- / 10^-3
m
centi- / 10^-2
c
deci- / 10^-1
d
deka- / 10^1
da
kilo- / 10^3
k
mega- / 10^6
M
giga- / 10^9
G
tera- / 10^12
T
peta- / 10^15
P
exa- / 10^18
E
up, down, strange, charm, bottom, and top
possibilities of a quark
2 up quarks and 1 down quark
quarks that compose a proton
2 down quarks and 1 up quark
quarks that compose a neutron
dimension
physical nature of a quantity (different units of the same metric mass, length, or time)
dimensional analysis
treats dimensions like algebraic quantities to help derive or check equations
order of magnitude
approximate value within a factor of 10 denoted with ~
cartesian coordinate system
a coordinate system consisting of 2 axis, x and y, that span from -∞ to ∞ used to describe the position of a point using (x,y) distance removed from the reference point, the origin
plane polar coordinates
a distance r from the origin and angle θ from the x-axis where counterclockwise is the positive direction
pythagorean theorem
r^2 = x^2 + y^2
cosθ
x/r
sinθ
y/r
tanθ
y/x
L (length)
What unit/dimensions is displacement?
L/T
What are the dimensions of Velocity?
L
What is the dimension of position?
L^2
What are the dimensions of area?
L^3
What are the dimensions of volume?
L/T^2
What are the dimensions of acceleration?
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