Units Flashcards by Katherine K

Q

length

A

meters

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Q

mass

A

kg

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Q

time

A

s

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Q

speed

A

m/s

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Q

density

A

kg/m3

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Q

work

A

kg*m2/s2

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Q

pico

A

-12

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Q

nano

A

-9

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Q

micro

A

-6

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Q

milli

A

-3

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Q

centi

A

-2

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Q

kilo

A

3

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Q

mega

A

6

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Q

giga

A

9

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Q

velocity

A

m/s

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Q

acceleration

A

m/s2

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Q

force

A

N (kg*m/s2)

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Q

torque

A

J (Nm)

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Q

work

A

J (Nm)

Q

power

A

W (J/s=Nm/s)

Q

KE

A

J

Q

PE

A

J (eV)

Q

impulse (J)

A

N*s

Q

L

A

kg*m2/s

Q

density

A

kg/L (kg/m3)

Q

weight

A

N

Q

pressure

A

Pa (N/m2)

Q

elementary charge

A

e=1.6x10(-19) C

Q

Coulomb’s Constant

A

k0=9x10(9) N*m2/C2

Q

Electric Field

A

N/C

Q

Electric potential

A

Volt (J/C)

Q

Voltage

A

Volt (J/C)

Q

Current

A

Amps (C/s)

Q

Resistance (R)

A

Ohms (V/A)

Q

Resistivity (rho)

A

ohm-meters

Q

Capacitance (C)

A

Farads (F) = C/V

Q

Magnetic Field (B)

A

Teslas (T) = N/A*m

Q

Frequency (f)

A

f= hertz (Hz) = s(-1)

Q

Period (T)

A

Seconds (s)

Q

Sound

A

Decibels (dB)

Q

Lens power

A

Diopters (D) = m(-1)

Q

Speed of light in vacuum

A

c= 3*10(8) m/s

Q

Atmospheric pressure

A

10(5) Pa

Q

Speed of sound in air

A

340 m/s

Q

Visible light wavelengths

A

400 nm to 700 nm