Physics test 1

Density

D=M/V

Absolute error

Ea=|o-a|

Relative error

Er=(|o-a|/a)\*100%

Absolute deviation

Da=|o-m|

Mean

Mean=Sigma\*x/n

Relative Deviation

(|o-m|/m)\*100%

Force

Newton=Kg\*m/s^2

Energy

Joule=Kg\*m^2/s^2

Acceleration

m/s^2

Area

m^2

Volume

m^3

dm^3 in 1 Liter

1000 dm^3

1 cm^3

1000 dm^3

What is c

Speed of light in a vacuum (3.00\*10^8 m/s)

Speed/Velocity

m/s

What is a sig fig

All numbers in a measurement that are significant.

Ex 1.00 3 sig figs

Graph with a direct relationship

Graphs a straight line with a positive slope

Graph with a indirect relationship

Graphs a straight line with a negative slope

Inverse relationship

Graphs a line that curves

Sin=θ

Opposite/hypotenuse

Cos=θ

Adjacent/Hypotenuse

Tan=θ

Opposite/Adjacent

Yotta (Y)

10^24

Zetta

10^21

Exa (E)

10^18

Peta (P)

10^15

Tera (T)

10^12

Giga (G)

10^9

Mega (M)

10^6

Kilo (k)

10^3

hecto (h)

10^2

deka (da)

10^1

deci(d)

10^-1

centi(c)

10^-2

milli(m)

10^-3

micro(µ)

10^-6

Nano(n)

10^-9

Pico(p)

10^-12

Femto(f)

10^-15

Atto(a)

10^-18

Zepto(z)

10^-21

Yocto(y)

10^-24

Si and metric of length

Meter

Si temperature

Kelvin(K)

Si unit of Mass

Kilogram(Kg)

Metric of temperature

Celsius(C)

Metric of mass

Gram(g)

Vector

Magnitude and Direction (velocity, momentum, force)

Law conservation of matter and energy

Energy and matter can not be created or destroyed but can be transformed from one to another. (e=mc^2)

Scientific Method

Observation, question, hypothesis, experiment(gather data Independent V, Dependent V constant and controll), Data, Theory, Data, Law.

1 meter

39\.37 in

Kinetic energy

energy in motion

Potential

Energy that is conserved (thermal, Nuclear, Elastic,Gravitational,mechanic,chemical)

1 US gallon

3\.78 Liter