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- m=5 , , v=300/. , m1= 3 v1=100/. , , . : v2=900/
- , v0, l (). . , , ( ) . : s= 4 l
- , v0=3 /, . = 10. . m=10 α =600 . ( ), 2 .: v=835 /.
- =2 . m=8 . , , , v=450/, - α =300 .: v=1,55 /.
- , , m, 2 m, 3 m 4 m, : ) ; ) m; ) . 15 . ( )
- m, 2 m, 3 m 4 m, =20 . ( )
- m0 F. (/). v(t), .. . (:
 ) - , =2 , . u =150 /, =0,2 /. , t=3c . : =11,6 /2
- , 300, u=200/. =0,21/. , : 1) v1=50 /; 2) v2, , m0=0,2 . : 1) t=0,66 ; 2) v2=220 /.
- 1 0,3 /2. 5 .
- m = 5 = 2 /2. 5 .
- , m = 100 h = 4 t = 2 .
- 60 /. 0,75. , .
- l = 5 S = 4 2 , m = 2∙103 . : 1) σ ; 2) ε ; 3) .
- m 0 F. μ (/). v (t), .. .
- , = 2 , . = 150 /, μ = 0,2 /. , t = 3 .
- , 300 , = 200 /. μ = 0,21/. , : 1) v 1 = 50 /; 2) v 2, , m 0 = 0,2 .
- m = 1 s = A Bt + Ct2 Dt3 ( = 6 ; B = 3 /; = 5 /2; D = 1 /3). , t = 1c.
- m = 100 = 0,5 /2. l = 3 , α 30, μ = 0,2. , .
- m = 0,4 h = 10 l = 1 . μ = 0,04. ; .
- m = 20 R = 10 . 6,3 . .
- k = 10 / F = 200 . , 1 .
- k = 1 / 4 . , 18.
- l = 2 S = 2 2 10 . w .
- r
 ( = 62, = 0,3). r : 1) ; 2) , .
- x 0 = 8 F = 4. m = 100 , x = 5 .
- m = 15, v = 0,5 /, = 6 . h, , .
- m = 15 , , l = 1 = 1,5 . α =30. .
- , h, , R = 6 , .
- m1 = 20 , , m2 = 1 , l = 1 . , v1, α =22.
- h 1 = 80 h 2 = 72 . .
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