Flashcards in Foundations Of Physics: Units Deck (3)
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1
Q
What is the difference between a quantity and a unit?
A
A quantity is the amount of something eg mass
A unit is what we measure an amount is eg kilograms
2
Q
What are all the S1 units?
A
Seconds, metres, kelvin, kilogram, Amps, mole
3
Q
What are the unit prefixes of a) mili - m b) femto- f c) micro- μ d) pico- p e) nano- n f) kilo - K g) Giga - G h) Terra - T I) centi- c
A
a) mili - m x10^-3
b) femto- f x10^ -15
c) micro- μ x10^-6
d) pico- p x10^-12
e) nano- n x10^-6
f) kilo - K x10^3
g) Giga - G x10^9
h) Terra - T x10^12
I) centi- c x10^2
