Formulas and Symbols for all problems.

Formula

Symbol

Units

Mass

m

kg

Velocity

v

m/s

Distance

d

m/s

Time

t

s

Acceleration

a

m/s²

Momentum

p

kg•m/s

Force

F

kgm/s² or N

Work

W

J (joules)

Potential Energy

PE or GPE

J (joules)

Kinetic Energy

KE

J (joules)

Thermal Energy

Q

J (joules)

Density

D

g/cm³

Volume

V

cm³

Gravity

g

9.8 m/s²

Weight

W

N

Pressure

P

atm

Volume

V

ml or L

Temperature

T

ºK

# of moles

n

mol

Frequency

ƒ

Hz

Wavelength

?

m

Power

P

kW

Resistance

R

? (ohm's)

Voltage

V

V (volts)

Current

I

A (amps)

Energy

E

kWh

Avegadro's constant:

 6.02 x 10 23 atoms

Ideal gas constant: 

.0821 Latm/ºK•mol

Density

D = m / v

Velocity

v = d / t

Acceleration

a = vf - vi / t

Force

F = m a

Weight

W = m g

Momentum

p = m v

Work

W = F d

Potential Energy

PE = m g h

Kinetic Energy

KE = 1/2 m v²

Thermal Energy

Q = m c ? T

Frequency

v = 

Potential Difference

V = I R

Power

P = I V

Energy

E = P t

Boyle's Law

P2V2 = P1V1

Charles Law

V2 / T2 = V1 / T1

Avegadro's Law

P2 / T2 = P1 / T1

Combined Gas Law

P2 V2 / T2 = P1 V1 / T1

Ideal Gas Law

PV = nRT

Pascal's Principle

P = F / A

Change in Temperature

?T = Tf - Ti

Change in Velocity

?v = vf - vi

Change in Distance

?d = df - di

Change in Momentum

?p = pf - pi

Convert ºF to ºC

ºC = ºF - 32 / 1.8

Convert ºC to ºF

ºF = (1.8 x ºC) + 32

Convert ºC to ºK

ºK = ºC + 273