Đề thi môn cơ lý thuyết - để 1 pps

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pi,
rm
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cd
Lf
THUYET
Thdi
gian: 90
Phrit
CAu
1: Thdnh
l{p
phtfdng
trinh
Lagrange
loai hai'
Cflu
2:
Chdt
didm
khdi
lugng
m

chuydn
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tdc
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cd
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tri
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minh.ring
chdt
didm
chuydn
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trong
I
m{t
phEng
cd
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Xdc
clinh

rnit
phfrng
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a
b)
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oxy
ld
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cd
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tim
phtltJng
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cd
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Tim
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cd
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