r@ 5 / E$'nktvttn3 16\ 4 -yyr
lll
F=-kv
("\ Ha, beh tvu
E Fo sotYr dcw
\lcw lzvr q p,
0
vt vLu q Ur
33Yavu4a [orarn Saxde Vut{h*r
b, tcn
:yvt{dl posr*v nktvutvrg
h vtktarl r,to-[ posrtv
ot[ tcelre W
,nktvung ffr
hrt
vL P=-knl
.\l
rtv
kV = rn-
dt,
kv = wi v
I=()
clg)
\+- \ k
vn
(b) Attvm#.,r
V=
\it\ katt \ (O\=
\o=L * -!.0 ( = \o -4
A lltsi
:tdsr**$
Ce- _k.' mL
\o 3..
Y (t\ = vo
(4 Hrct un= 2560kg, k
9so
\ (t\: 4,0 L M
v (3,
5J kta
, \0 r 4,(t,rrls
fu vi ( rkrncr
g,{t t k,
(_ yvt v (&{)
t Vad< ,rt\,,5i k unvra
b"slzlvtvna s (t)
qcwcvn afi aut [ - ( /.ri\act v (t) , qh
f sed,rw\oei|Vwa
I slt,o\ - s (o\ _F
t o): 1,A u-o"l{ 3'o tr3 rstiurtr,uh
3g\
1,0
,o\- s(o) = ( s'
J
0
= 35a k3/s
t = 4,tte
j, o
=(
J
0
3,0
(t\at:j
0
= 2,b (m lr)
s t
le
7 .ri
*)r tJ f\4