Constants Flashcards
1
Q
gravitational constant (G)
A
G = 6.67E-11 N*m^2/kg^2
2
Q
1 C = ___ c = ___ J
1 c = ___ J
A
1 C = 1000 c = 4184 J
1 c = 4.184 J
3
Q
fundamental unit of charge (e); charge of protons and electrons (but positive and negative)
A
e = 1.60 x 10^-19 C (coulomb)
4
Q
Coulomb’s constant (k)
A
k = 8.99 x 10^9 N*m^2/C^2
5
Q
permeability of free space (μ(o))
used for ____
A
μ(o) = 4π x 10^-7 T*m/A
magnetic field
6
Q
harmonic of string or open pipe
A
n = 1, 2, 3, …
7
Q
harmonic of closed pipe:
A
n = 1, 3, 5, …
8
Q
speed of light in a vacuum (c)
A
c = 3x10^8 m/s
9
Q
Planck’s constant
A
h = 6.626x10^-34 J*s
10
Q
density of water
A
1 g/mL
1 g/cm^3
1000 kg/m^3
11
Q
Avogadro’s number (N)
A
N(a) = 6.022 x 10^23 1/mol
12
Q
ln 2 = __
A
ln 2 = .693
13
Q
permittivity of free space (ε(o))
used for ____
A
8.85 x 10^-12 F/m
electric fields, capacitance
