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PRACA, MOC, ENERGIA MECHANICZNA<br />
6. 2,7 J<br />
a) <br />
b) <br />
c) <br />
<br />
2<br />
2m<br />
3m<br />
3<br />
1<br />
m<br />
Rys. 18.11<br />
7. m r<br />
A<br />
<br />
A<br />
m<br />
A<br />
D<br />
r<br />
D<br />
B<br />
B<br />
C<br />
Rys. 18.12<br />
C<br />
Oblicz iloraz:<br />
a) A, B, C i D<br />
b) A, B, C i D<br />
8. P i K<br />
o d = 12,56 m<br />
-<br />
m =0,2kg<br />
P<br />
d<br />
K<br />
Rys. 18.13<br />
168