physics test # 2 Flashcards
1
Q
tera
A
12
2
Q
giga
A
9
3
Q
mega
A
6
4
Q
kilo
A
3
5
Q
hecto
A
2
6
Q
deca
A
symbol= da
1
7
Q
deci
A
-1
8
Q
centi
A
-2
9
Q
milli
A
-3
10
Q
micro
A
-6
11
Q
nano
A
-9
12
Q
kinetic energy
A
energy a body posseses by being in motion
13
Q
potential energy
A
energy stored in an object
14
Q
inertia
A
to remain still or unchanged
15
Q
momentum
A
a quantity of motion measured in mass and velocity
16
Q
4 rules for determining sigfigs
A
- All non zero digits in a measurement are significant
- Zeroes that come after the decimal and after a non zero digit are significant
- Leading zeroes aren’t significant
- Trailing zeroes with no decimals are assumed to be insignificant
17
Q
What’s the rule for adding and subtracting measurements
A
Your calculated value should have the same precision as your least precise measurement
18
Q
What’s the rule for Multiplying and dividing
A
Your calculated value should have the same # of sigfigs as the measurement with the least amount of sigfigs
