Equations Not on Data Sheet Flashcards
1
Q
Nuclear physics: number of atoms in sample =
A
moles x avogadros number
2
Q
Nuclear physics: closest approach KE =
A
Qq / 4π E0 r
3
Q
Nuclear physics: at first minimum
A
sin0 = 1.22λ / 2R
4
Q
Circular motion: angular speed =
A
angle in rads / time
5
Q
Electricity: stopping potential =
A
1/2mv^2 = e x stopping potential
6
Q
Electricity: time to half =
A
0.69RC
7
Q
Magnetic fields: frequency =
A
BQ / 2πm
8
Q
Magnetic fields: radius =
A
mv / BQ
9
Q
Astro: age of universe =
A
1 / H
10
Q
Astro: distance to star in pc =
A
1 / parallax angle in arcseconds
11
Q
Gravitational fields: escape velocity =
A
root (2GM / r)
12
Q
emf =
A
Blv