02. แบบทดสอบก่อน-หลังเรียน 1
DESCRIPTION
แบบทดสอบก่อน-หลังเรียน ม.4TRANSCRIPT
159
3
40203
5( ) 1
1
15
1 ( X ) , , 1. 1. 2. 3. . 1 , 2 3
. 1 , 3 . 2 , 3
. 1, 2
2. 1. 2. 3. . 1 , 2 3
. 1 , 3 . 2 , 3
. 1, 2
3. 1. 2. 3. . 1 , 2 3
. 1 , 3 . 2 , 3
. 1, 2
4. 40,000 10- 1 400 10- 4 1. 100 2. 100 3. 10 4. 10 5. 50 .. 1x103 kg/m3
. 1.0
. 4.0
. 10.5
. 12.5
6. 50 . 2 40 . 1x105 N/m2
. 1.16x105 N/m2
. 2.16x105 N/m2
. 3.16x105 N/m2
. 4.16x105 N/m27. 1. PA = PB = PE = PF = PG
2. PG ( PE ( PC = PD ) ( PA
3. PC ( PE ( PD = PB ) ( PG4. PA ( PB ( PE = PF ) ( PC
8. 30 . 25 . 103 kg/m3. 1.35 x 103 kg/m3
. 1.33 x 103 kg/m3
. 1.25 x 103 kg/m3
. 1.20 x 103 kg/m39. 20 80 . 1.7 x 108
. 1.6 x 108
. 1.5 x 108
. 0.1 x 108
10. 60 . 100 . 50 . 1x103 kg/m3 1.025x103 kg/m3 . 18.25 N
. 18.65 N
. 18.75 N
. 18.95 N
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40203 5 1
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9
10
20 cm
5 cm
12 cm
50 .
40 .
2
A
B
C
D
E
F
G
30 .
25 .