Post on 15-Jul-2020
http://profanderson.net
anderson.gaudio@ufes.br
Prof. Anderson Coser Gaudio TecnoLab – Depto. Física – CCE - UFES
5 mx ( )x m
AB B Ax x x
xA xBx
A B
B Ar r r s B As s s
( )t s
( )t s
3 st
( )t s
5 s 3 s 2 st
AB B A
méd AB
AB B A
x x xv
t t t
méd
xv
t
méd x
xv
t
méd s
sv
t
0 mf ix x x
0 m/sméd
xv
t
100,0 m2,076 m/s
48,17 sméd s
sv
t
0limxt
x dxv
t dt
dx
dt
29 km/hv
1 40 m/sx
dxv
dt
xv v
,AB B A
méd AB
AB B A
v v va
t t t
x
méd x
va
t
2
0 0
1
2x xx x v t a t
214 m/sx méda a 0
0
90 m
0
3,5 s
x
x x
v
t
1,4méda g
2
0
1
2x xx x v t a t
231 m/sx méda a 0 130 m
0
2,9 s
x
x x
v
t
3,2méda g
2
143 m/s 0 m/s 143 m/s32 m/s
4,5 s 0,0 s 4,5 s
f i
méd
f i
v va
t t
3méda g
100 m10,2 m/s
9,85 sméd
xv
t
210,152 m/s1,03 m/s
9,85 sméd
va
t
a
0v
0 35 m 100 m
a
v v
0a a
v v
0a
r
mv
ma
2
20lim x x
xt
v dv d xa
t dt dt
xdv
dt
2
2
d x
dt
0lim t t t x
xt
v v dva
t dt
0
0
méd x x
v va a
t t
0v v at
0
0
méd x
x xv
t t
0 méd x
x xv
t
0
2
x xméd x
v vv
1 2
2méd x
v vv
2
0 0
1
2x xx x v t a t
0x x xv v a t
0 0t
0 0t
0x x xv v a t
2
0 0
1
2x xx x v t a t
2 2
0 02x x xv v a x x
00
2
x xv vx x t
2
0
1
2x xx x v t a t
0t 1t
Bv
Mv
0t 1t
Bv
MBv
0t 1t
Bv
MBv
0t 1t
BvMBv
2s t t
2s t ct
2s t ct
0 0
lim limt t
s t t s tsv
t t
2 2 2
0
2limt
ct ct t c t ctv
t
0lim 2t
v ct c t
2 2
0limt
c t t ctv
t
2
0
2limt
ct t c tv
t
2v ct
2v t ct
0 0
lim limt t
v t t v tva
t t
0
2 2 2limt
ct c t cta
t
0
2 2limt
c t t cta
t
2a c
0
2limt
c ta
t
0lim 2t
a c
v t gt 21
2s t gt a g
2a g c 2
gc
g g g g
P
D
0P D
P
1 2P m m g
0a a g
a g
0v v at
2
0 0
1
2x x v t at
2 2
0 02v v a x x
00
2
v vx x t
2
0
1
2x x vt at
0v v gt
2
0 0
1
2y y v t gt
2 2
0 02v v g y y
00
2
v vy y t
2
0
1
2y y vt gt
x y
dxv
dt
dva
dt
v adt
x vdt
d y z dy dz
dx dx dx
d yz dz dyy z
dx dx dx
dy dy dx
dt dx dt
0 (a constante)da
dx
1n ndx nx
dx
sen cosd
x xdx
cos send
x xdx
v adt at 2
0
1
2x vdt v t at