1. 9 , 600 /, ' . , , 10 .
:
m = 9 = 9×10-3
= 600 /
Dt = 10 = 10×10-3
___________________
<F > ?
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< Fc >
< F> = .
:
= m = 9×10-3×600 = 5,4 ×/;
<F> = .
< Fc> , .
2. 40 , 5 /, 10 . , 5 / 60 . .
:
M = 40
1= 5 /
m = 10
2 = 5 /
a = 60
_______________
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