Tf iz
Tmat
d
T
x(t), v(t) m
k x0 v0
k1 k2
k1 k2
x1 x2 v1 v2
m t
T
²
T ›
T
h
4
›
n
"x F
m b
l Ä
n
v f
A
"x Ä
v1
v2
 f A0
l
l
a =
3
 = 10
f = 10 A0 = 2 L = 20
y(x, t) = A0sin(kx - Ét)
"2y "2y
1
=
"x2 v2 "t2
Ä1 n
Ä2
v f
c
m
s
m
s
v = 0, 9c
v = 0, 9c c.
v f0
f2
c
L = 60
f1
c
L
c
m
s
T1 T2
m d
²
 H"
"
T gd
l =
Ä„
T = 2, 006
2 2
v0 v0
v0 v0
x(t) = x2 + ·cos É0t - arctg( ) ‹(t) = v(t) = -É0 x2 + ·sin É0t - arctg( )
2 2
0 0
É0 É0x0 É0 É0x0
k
É0 =
m
1 k1k2
f =
2Ä„ m(k1+k2)
1 k1+k2
f =
2Ä„ m
2 2 2 2
v2-v1 x2v2-x2v1
1 2
É = A0 =
2 2
x2-x2 v2-v1
1 2
m·ln0,4
b = -
t
ln0,5 1
² = - › = -ln0, 5 f0 = · 4Ä„2 + (ln0, 5)2
T 2Ä„T
› ›
t 2Ä„
4
x(t) = he · e- T
sin( t)
T
E0
= e2n›
E(nT )
4Ä„m
"
T =
4km-b2
I
T = 2Ä„
mgd
2Ä„
› =
2
4gÄ
-1
l·ln2n
"x
Åš = 2Ä„f( - Ä)
v
"x
y("x, Ä) = Asin 2Ä„f( - Ä)
v
"x
vy("x, Ä) = -2Ä„fAcos 2Ä„f( - Ä)
v
"x
ay("x, Ä) = -4Ä„2f2Asin 2Ä„f( - Ä)
v
n1sinÄ…1 = n2sinÄ…2
v = 2fl

ymax( ) = 2A0
4
 l
ymax( + ) = A0
4 3
y(x, t) = 0, 04sin(20Ä„x) · cos(20Ä„t)
Ä2
2Ä1
n
c
fkuzyna = f
c-v
c+v
fnietoperza = f
c-v
 "f = 555
fa
H" 5, 26
fb
(f2-f0)c-(f2+f0)v1
v = c
(f2+f0)c-(f2-f0)v1
L2 = 63, 01 L10 = 70
f1
f2 =
2
c
f2 =
2L
m m
vdo żródla = 48, 6 vod z
ródla = 339, 61
s s
T1T2 2T1T2
Tdud = , Twyp =
|T1-T2| T1+T2
2Ä„
"
T =
(g/d)-²2