Equations to know Flashcards
1
Q
Momentum Principle
A
ΔP = Pf - Pi = FnetΔt
2
Q
Position Update
A
Rf = Ri + (Pf/m)Δt
3
Q
Spring Force
A
Fspring = -ks(|L| - L0) ˆL
4
Q
Gravitational Force
A
-G (M1M2)/(|r|^2) ˆr
5
Q
Electric Force
A
(9x10^9) (Q1Q2)/(|r|^2) ˆr
6
Q
γ
A
1/ (sqrt(1-(v/c)^2))
7
Q
dp/dt
A
dp/dt = ˆp (dp/dt) + p (d ˆp/dt) = Fparallel + Fperpendicular
8
Q
Partical Energy
A
K + mc^2 = γmc^2
9
Q
E^2
A
(pc)^2 + (mc^2)^2
10
Q
ΔEsys
A
Wsurr + Q
11
Q
ΔEthermal
A
mCΔT
12
Q
W
A
F * Δr = FxΔrx + FyΔry + FzΔrz
13
Q
Total Change in Energy
A
ΔEsys + ΔEsurr = 0
14
Q
Esys (multiparticle)
A
(K1 + m1c^2) + (K2 + m2c^2) + …
15
Q
Hydrogen Atom Energy levels
A
En = -13.6/N^2 eV
