36 Cards in this Set
| Front | Back |
|---|---|
|
hand = ? in
|
4 inches
|
|
cubit = ? in
|
18 inches
|
|
fathom = ? ft/ ? m
|
6 feet/1.8 meters
|
|
mile = ? ft
|
5280 feet
|
|
yard = ? in/ ? ft
|
36 inches/3 feet
|
|
acre
|
how much land one mule can plow in 1 day
|
|
fortnight
|
2 weeks
|
|
span = ? in
|
9 inches
|
|
1 inch = ? cm
|
2.54 cm
|
|
1 meter = ? cm
|
100 cm
|
|
1 kg = ? lb
|
2.2 lb
|
|
1 ton = ? kg = ? lbs
|
1000 kg/2200 lb
|
|
Who invented SI units?
|
Napoleon (meter, kg, second)
|
|
Length SI unit is defined by?
|
Meter (the distance light travels in a vacuum)
|
|
SI unit of mass is defined by?
|
platinum iridium bar in Paris - kilogram
|
|
SI unit of time
|
second
|
|
103
|
kilo
thousand
|
|
106
|
mega
million
|
|
109
|
giga
billion
|
|
1012
|
tera
trillion
|
|
1015
|
peta
quadrillion
|
|
1018
|
exa
quintillion
|
|
1021
|
zetta
sextillion
|
|
1024
|
yotta
septillion
|
|
3-Oct
|
milli
|
|
6-Oct
|
micro
|
|
9-Oct
|
nano
molecular structures
|
|
12-Oct
|
pico
|
|
15-Oct
|
femto
nuclear reactor level
|
|
18-Oct
|
atto
|
|
21-Oct
|
zepto
|
|
24-Oct
|
yocto
|
|
terminal velocities of human
|
140 mph max drag and 240 mph standing
|
|
Normal human male and female masses
|
M: 100 kg = 220 lbs
F: 50 kg = 110 lbs
|
|
Name the four forces and their relative strengths
|
1. gravitational 10^-39
2. weak 10^-14
3. electrical and magnetic 10^-2
4. strong 1 = 10
|
|
Newton's Laws
|
1. if a=0, then f=0
2. f=ma
3. equal and opposite forces
|
PHYS 201: Exam 1