Physics Equations

v_f = v_o + at (Missing x)
x-x_o = v_ot + (at²)/2 (Missing v_f)
v² = v_o² + 2a(x-x_o) (Missing t)
Δx = v_t = [(v_o + v_f)/2]t (Missing a)

Fmax = μΝ , μ is coefficient of friction, N is normal force

μk < μs always

Fc = mac = mv² /rac= v² /r

I = F Δt = ΔMM = mv

W = F d cosθ

P = ΔW/Δt

Total E = E_k + E_p

E = mc²

F = -kx, k is spring coefficient

W = kx² /2

A v = const.

ρAv = const.

I = Q/tR = ρl/A

Series - Req = R1 + R2 . . .

Paired - 1/Req = 1/ R1 +1/ R2...

dB = 10 log 10 (I/I0 )

beats = Δ f

Σi = 0 at a junction

ΣΔV = 0 in a loop

Q = mc Δ T (MCAT !)
Q = mL

L1 = F1× r1 (CCW + ve)

L2 = F2 × r2 (CW - ve)

ΣFx = 0 and ΣFy = 0

ΣL = 0

(sin θ1 )/(sin θ2 ) = v1 /v2 = n2 /n1 = λ1 /λ2

n = c/v

F = ma

v_av = Δ d / Δ t

a_av = Δ v / Δ t

K_E = E_k = 1/2 mv²

U_E = E_p = mgh

Ρ = F/A

Δ Ρ = ρgΔh

1/ i + 1/ o = 1/ f = 2/r = Power

M = magnification = - i/o

alpha (α) particle = ₂He⁴ (Helium nucleus)
beta (β) particle = _-1e⁰ (an electron)
gamma (γ) ray = no mass, no charge, just electromagnetic energy

Δ m/ Δ t

Δ m = change in mass
Δ t = change in time

W = mg = F_g

F = ( Gm₁m₂ ) /r²

τ = rF sin Ø

F = mv² /r

W' = ΔE = ΔK + ΔU

W = Fd cos Ø

P = W/Δt

p = mv

J = FΔt = Δp = mv_f - mv_i

Elastic - 1/2m₁v_1i² + 1/2m₂v_2i² = 1/2m₁v_1f2 + 1/2m₂v_2f2
Inelastic - 1/2m₁v_1i2 + 1/2m₂v_2i2 > 1/2m₁v_1f2 + 1/2m₂v_2f2
Completely Inelastic - m₁v_1i² + m₂v_2i² = (m₁ + m₂) v_f

= (Load) (Load Distance) / (Effort)(Effort Distance)

x = (m₁x₁ + m₂x₂ + m₃x₃ ...) / (m₁ + m₂ + m₃ ...)