# Asdas

Páginas: 2 (464 palabras) Publicado: 22 de julio de 2012
[pic][pic]
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Trian:P=a+b+c A=b.h/2
Rectng:P=2.(a+b) A=b.h
Paralel:P=2.(a+b) A=a.h
Rom:P=4.l A=(d.D)/2
Trap:P=l+l+l+l A=[(B+b).h)]2PolReg:P=5.l A=(p.ap)/2
Circ:P=2.π.r o π.d A=π.r2
SC:P=l+2r A= r2.π.α/360 o ½.l.r
Cub:A=6.l2 V=l3
Prlelep:A=2(ac+ab+bc) V=a.b.c
Pirmd: A=3V.a 2 V=1/6.a3
Cil:A=2.π.r.h+2.π.r2 V= π.r2.hCono:A= π.r.g+π.r2 V=1/3.π.r2.h
Esf: A=4.π.r2 V=4/3.π.r3
Sen2+sen2=1
Sen2=1-cos2
cos2=1-sen2
tan= sen
cos
cotan= cos o 1
sen tan
Sec= 1_
CosCosec: _1_
Sen
Tan2+1=sec2
Cotan2+1=cosec2
Sen2α=2.sen.cos
Cos2α=2cos2-sen2
Tan2α= 2tanα
1-tan2
MRUV
A=cte
V(t)= V0+a.t
X(t)= X0+V0.t+1/2.a.t2
TIROOBLICUO
V0X=V0.cosα V0y=V0.senα
X(⥴‽じ嘫堰琮䄍捬‽⴨⸲ざ⹘嘮礰⼩൧捁汥‽⁧渨来 †夠慭㵸す⴨ざ㉹⼩⸲t)= X0+V0X.t
Alc= (-2.V0X..V0y)/g
Acel= g (neg) Ymax=Y0(-V0y2)/2.g
Vy(t)= V0y+g.t Tymax=(-V0y)/g
Y(t)=Y0+V0y.t+1/2.g.t2

CAIDA LIBRE
y T. VERT
A=g
V(t)= V0+g.t
Y(t)=Y0+V0.t+1/2.g.t2
TIRO HORIZONTAL
T=raiz -2Y0/g
X= V0X.t Vy=g.t
α=tan-1 [pic] Vy[pic]V0x

| |0 |π/6 |π/4 |π/3 |π/2 |
|s |0 |1/2 |2V/2 |3V/2 |1 |
|c |1 |3V/2 |2V/2 |1/2 |0 |
|t |0 |3V/3 |1 |3V |E |

Sen +:1,2 -:3,4Cos+:1,4 -:2,3
Tan+:1,3 -:2,4
∑FX: Fix.cosα en eq=0
∑FY: FiY.senα en eq=0
Mom: [pic]F[pic].d eq=0 Hora: - Antih: +
X[pic] ≤ a -a ≤ X ≤ a
X[pic] ≥ a X ≤ -a o X ≥ a
X[pic] Xsi X ≥ 0 o - X si X < 0

V.Pos: r = x+y
V.Des: Δr = r-r0
VelM: Δr/Δt
V1+V2:(a1+b1,a2+b2
nº.V=(N.V1,N.V2)
A.B: [pic]A[pic].[pic]B[pic].cosα o
(a1.b1),(a2.b2)A┴B=A.B=0
ProyBA: A.B . B_
[pic]B[pic] [pic]B[pic]
Versor: V_
[pic]V[pic]
Vktor entre 2ptos: B-A
cos α: A.B
[pic]A[pic].[pic]B[pic]

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