Έρως και Ψυχή-Μιμήκος και Μαίρη-Κουασιμόδος και Εσμεράλδα (Παναγία των Παρισίων)
Πλαστική κρούση και χάσιμο επαφής.pdf
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Transcript of Πλαστική κρούση και χάσιμο επαφής.pdf
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1 2 m1=3kg m2=4kg k, 2 1 . m=1kg h, , 1 .
(S.I.)6
5tx
t=0
. 1
=
, :
. . . k A . . h . . 2 . . h 2 . g=10m/s2. .
: ) ... , m1. t=0,
= 5
6= +
1
2 = +
2
= 5
6=
3
2 < 0
. = . . . t=0 (
=
)
=+
+
=
k
..
m
(+)
h
1
2
-
=
=
=5rad/s
:
=
= 0,4
) ... D=k=(m+m1)
2 = 100/
m1 :
= 0 + = 0 = =
= 0,3
:
= 0 + = 0 = ( + ) =( + )
= 0,4
t=0 :
x=l-lo=
= 0,1 = 0,2
) ,
= +5
6 = 1 5 +
5
6
(t=0)
= 1 5
6 =
3
2/
( , ). :
= | | = ( + ) | | =( + )
=
(1 + 3)(3
2 )
1 | | = 23/
, .
k
u
2
(+)
...
F
...
F
w1
w
2 2 2
1
x
V
2
...
-
12 = =
| |
2 =
12
20 = 0,6
) :
+ = , , :
+ = = , w=(m+m1)(-|g |)=-40N, :
F=-(-40)-100x = 40 100, 0,2 +0,2
:
= :
F=-F=100x-40 -0,2mx0,2m , 2 :
= 0 + + = 0 =
= (||) = 40 100 + 40
= 80 100 0,2 +0,2 x . , x=+0,2m
Nmin=80-100(+0,2) Nmin=60N x=-0,2m
Nmax=80-100(-0,2) Nmax=100N ) 2
0 =0 2 () ,
min=0 80-100Amax=0 Amax=0,8m :
+ = 1
2( + )
+
1
2 =
1
2 =
=max = = 50,8 0,1 = 50,63 /
:
= | | = ( + ) | | =( + )
=
| | = 200,63 /
-
:
=1
2| | =
| |
2=
400 0,63
20 = 12,6