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Formulae of physics
31.10.2012, 7:37:46 PM

Physics

 Word Excel
 v=s/t vector(v)=s/t

 INTERACTION OF TWO MOVING PHYSICAL BODIES:

m₁/m₂=v₂/v

 INTERACTION OF TWO MOVING PHYSICAL BODIES:

m(1)/m(2)=vector(v(2))/vector(v(1))

 ρ=m/V rho()=m/V
 F⃗=gm, g=9.8 m/s²  vector(F)=gm, g=9.8 m/s^2
 γ=ρg  gamma()=rho()*g
 p=F⃗/S=γh  p=vector(F)/S=gamma()*h

 COMMUNICATING VESSELS #1 AND #2:

h₁/h₂=ρ₂/ρ

 COMMUNICATING VESSELS #1 AND #2:

h(1)/h(2)=rho(2)/rho(1)

 F⃗ₐ=γₗVₛ  vector(F(A))=gamma(l)*V(s)
 A=F⃗s×cosα  A=vector(F)*s*cos(alpha())
 N=A/t=F⃗v×cosα   N=A/t=vector(F)*vector(v)*cos(alpha())

 LEVER:

F⃗/F⃗₁=l₁/l

M=F⃗l, M₁=M₂

 LEVER:

vector(F(2))/vector(F(1))=l(1)/l(2)

M=vector(F)*l, M(1)=M(2)

 η=Aᵤ/A×100% eta()=A(u)/A*100%
 Eₚ=mgh, Eₖ=0.5mv², U=Eₖ+Eₚ  E(p)=mgh, E(k)=0.5m*vector(v)^2, U=E(k)+E(p)
 Q=cm∆t=qm=λm=Lm Q=cm*incr(t)=qm=lambda()*m=Lm
 φ=ρ/ρ₀×100% phi()=rho()/rho(0)*100%
 e=1.602×10⁻¹⁹ C e=1.602*10^(-19) C
 A=Z+N A=Z+N
 q₁+q₂+…+qₙ=const q(1)+q(2)+...+q(n)=const
 I=q/t I=q/t
 U=A/q U=A/q
 I=U/R I=U/R
 R=ρl/S R=rho()*l/S
 G=1/R G=1/R
 PARALLEL CONNECTION:
G=G
₁+G
 PARALLEL CONNECTION:
G=G(1)+G(2)
 A=Uq=UIt=Pt A=Uq=UIt=Pt
 P=A/t=UI P=A/t=UI
 Q=I²Rt Q=I^2Rt
 REFLECTION OF LIGHT RAY SO IN THE SURFACE MN:
∠SOC=∠BOC
 REFLECTION OF LIGHT RAY SO IN THE SURFACE MN:
angle(SOC)=angle(BOC)
 sinα/sinγ=n sin(alpha())/sin(gamma())=n
 D=1/F D=1/F
 x=x₀+s x=x(0)+s
 s=v₀t+a⃗t²/2 s=vector(v(0))*t+vector(a)*t^2/2
 3 NEWTONIAN LAWS:
F⃗=0, a⃗=0
F⃗=ma⃗
F⃗₁=−F⃗
 3 NEWTONIAN LAWS:
sum(vector(F))=0, vector(a)=0
vector(F)=m*vector(a)
vector(F(1))=-vector(F(2))
 F⃗=Gm₁m₂/r², G=6.67×10⁻¹¹ N×m²/kg² vector(F)=Gm(1)m(2)/r^2, G=6.67*10^(-11) N*m^2/kg^2
 p=mv vector(p)=m*vector(v)
 B⃗=F⃗/Il vector(B)=vector(F)/Il
 Φ=B⃗S×cosα Phi()=vector(B)*S*cos(alpha())


Category: My files | Added by: Elektronika_XQ-19 | Tags: physics
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