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MESURES, MAGNITUDS I UNITATS
Description
ambit cientific Mind Map on MESURES, MAGNITUDS I UNITATS, created by dentsvetozarevve on 22/11/2013.
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ambit cientific
Mind Map by
dentsvetozarevve
, updated more than 1 year ago
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Created by
Joan S. Salelles Mateu
almost 11 years ago
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dentsvetozarevve
almost 11 years ago
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Resource summary
MESURES, MAGNITUDS I UNITATS
MAGNITUD
Qualsevol paràmetre físic que podem mesurar, comparant-lo a un patró.
MESURA
Acte de comparar una magnitud amb el seu patró. També valor numèric resultant de la comparació.
UNITAT
Patró amb el que comparem les magnituds per a mesurar-les.
UNITATS FONAMENTALS SISTEMA INTERNACIONAL
MASSA: Kilogram - kg
LONGITUD: Metre - m
TEMPS: Segon - s
CORR. ELÈCTRIC: Amper - A
TEMPERATURA: º kelvin - ºK
MÚLTIPLES I SUBMULTIPLES
Múltiples
Deca - da - x10
Hecto - h - x100
Kilo - k - x1000
Mega - M - x1.000.000
Giga - G - x10e9
Annotations:
No podem posar exponents, per tant 10e9 vol dir "10 elevat a 9", és a dir 1 seguit de 9 zeros.
Tera - T - x10e12
Peta - P - x10e15
Submúltiples
deci - d - :10
centi - c - :100
mili - m - :1000
micro - μ - :1.000.000
nano - n - :10e9
pico - p - :10e12
femto - f - :10e15
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