Module 2: Important Math Skills Flashcards
1
Q
precision
A
2
Q
the precision of a measurement depends on the instrument used to make it
A
3
Q
significant figures
A
the way to state your knowledge precisely
4
Q
time
A
seconds (s)
5
Q
length
A
meter (m)
6
Q
mass
A
kilogram (kg)
7
Q
M
A
mega
10^6
8
Q
k
A
kilo
10^3
9
Q
c
A
centi
10^-2
10
Q
m
A
milli
10^-3
11
Q
µ
A
micro
10^-6
12
Q
n
A
nano
10^-9
13
Q
useful unit conversions
A
14
Q
order og magnitude estimate
A
a one significant figure estimate or calculation
~ :(less precision than “approximately equal sign))
15
Q
scalar quantity
A
when a physical quantity is described by a single number (with a unit)
can be positive, negative, or zero
time, temperature, mass
16
Q
some approximate conversion factors
A
20
Q
two displacement vectors
A
22
Q
sam undergoes two displacements
A
23
Q
net displacement
A
24
Q
adding vectors
A
28
Q
the motion diagram for a car starting from rest
A
