育教濟經頁三第張五第
日八十月十年申庚磨夏
WAH KIU YAT. PO.
報日僑華
二期星
股市成交價目表(一)
香港做成交:109,060,000元 金銀您成交:2051900,000元
—一月廿四日
期 滚東會成交:345,270,000元 九雕窗成交:2,100,000元 ∴四會成交總額:662,330,000元 0 411481.51-87.67 遠東指數:740B, 20465.08
H
關市值,最高價 最低值
永安公司
.9.00
金指數1206.77跌70.30張指數178583108.81 金銀聯1815.5277.85
AR
和把黃埔: 降糖 興 生力
17,80
26.30
.4.30. Á:40
7.60 77.60
9:05 9.00
·18,40 17.50 26.60 25.10 25:50 4.20 4.30
7.50
香港 澄鐵 牧市话收市價收市價
9.00 9.05 9.00 17.70 17,80 17.80 25.40 25.60
Z
開市價般低健
香港 * 收市價·软市值
金銀 軟市區
股
若
日五廿月一十年〇八九一曆公年九十六國民華中
開市價最高、最低們 成市 牧市镇 牧市區
香港
SH
SZER
鷹君
13,50 .13.80.
13.20
19,30 13.30 13.40
姜藝
37.50
大昌地:
6.70 6,80
37.50 37:00- 37.50 37.50 37.00
6.35.
6.40 6.15
6.45
4,80 4,80 4.20
4.30 4.30
·大新公和
5.35 5.45 5,30
5.30 5,30
4.35 4.20
7.50. 7.50
群細安 除各項) 0.45 建懷新記
·0.46
0.43"
0.41.
-0.43
遠東酒店 酒店
3.553.70
3.375
3.476 3.475.
3.45
2.95
3.00.
2.85-
2.875 2.90
2.40
3.60
2.35
-2.40
2,35 12.375
·瑞乘公司
(七)紡機製衣類
與市僧,最高質,最低 收市頭,收市假,收市價
香港
·公司
微光辉学
30,00 90.00 30.00 30.00 30.00 30.00
3.50 .8.50 8.10 8:30 8.25
您
22.00
22.50 22.00
22.00 22.50
大生地卷
8.10
8.55
8.20
(一)銀行及債券類
熊爸
恆生銀行
148.00 160.00 146.00
148.00 147,00
146.00
A:
7,60
7,80
7.40
蓝黜銀行: 海外信託
20:70
6.60
21 10 20.70
6,90
20,80
20.80
- 30.80
6.30
6:30
谷.50
6,40
CPAR
“友墈銀行
10,60
10.60. 9,90 10,00
10.00
10.30.
太古版行A
3,90 4:00 3,80
2.75 2,60 2.65 11:30 1.30 10.20
7.50
745 7,40 3,90 3.925 4.00 2170 2.675 2,65 10.50 10.30 10.20
明益發展(除息) 3.30 佳寧(除各項) 挻柿..
3.50
8,008,00 3.30
8.00
3.15
3.50
3,40
新馬製衣 有海砂您:
11.40
11.50
10.00
11.00.
· 10,80
10.90
6.20
6,30
6.10
6:15
6120
ARRA
6.30
型式
8.10
光地産
3.50
3.65
19:30
3:40
3.30.
·3.40
4.80
8.10
8.10
4.45
4.45
1,45 4:45
海港工程:
1.30
1.30 1.30
1,30
求正國際
東區銀行
恩洲保險
X
(八)航業類
永暆銀行:
HZ
4,70
$4.90
4:70
4.85
4 85
亞洲航業
・''' 撇聡
17.50
7.70
7.40
7.50
7.55
嘉華銀行(除息 2.80
2.90
2.70
2.775
2.775
2.75
淘化大同·
AUTORITES:
莊上謝
AMST-75%
FA
九者認股權證
鱷魚恤
10.10 10.20 10.20 18.00. 6.20 56200 8,30 8.50 8,50 4.40 4.40 4.30
10.10 10:10
太古地産
12:10 12,20 11.50
會溶船A
6.00
580
740 6.85
11.50
11.80 11.70
翔航燊
6:00: ·6.00
6.20.
4,50 4.60
4,50
4,50.
HELA ICH
4.00
2.90
3.30
2.95
2.90
2.95
2.95
8.40
東力保
4.00.
好世界投資
4.40
4,50
4:40
光武堂
4.65
AMA38%
AB
8.50
-3.50
3.30
3.50.
***
2,30)
2.30
2.30.
3.30
2.30
健國際
5.80 5.85
4.10 4:00 4.00 4.10 4.00 4:00
3..90
3.95 4.50 4.65
5.60 5.75
3.925 3,90
4.50
5.GO 5:70
TAML#9.25% 66.5% 06.5% 66.5%
665%
備燈認股權號:890 9.15 8,45
8,55
*贊地認波機0,80:85.50 因地認股圾資86 21,50
86.50 '85,00 21.50
20.50 21.50.
8.50 8:45 86.50 21,00
85,00,
樂
(四)地 南無無膠業(除藏)5.25 長
320
3.00-13.00
13,00
9,00
建築類
KRA
5.30
5.20
5.30
·5:30
5,30
(九)投資類 聯合企※
8.10
8.20
8,00
熊
4.05
34,00
35.00
33.50 -34.00
24.00
34.00
13722
恰和似券75%
香港設業
5.00
5.30.
5.00
5.30
TLIN
0.88
4.30 -3.90 4.00 3.25 3.15 3.20 3.15 0.88 0.88
0.88
3.20:
4.00 4.075 怡和證券:
森那美:
14.30
新油雞
SHIFRS
14,50 8:00 8.00 16.00 6,00
13,70 13.90. 8.00 8,00 -70 5,070
8,00 13:70 14,00
5.70 5.80
莊士價券6鲻
利與發展
6.90
6.90
6.30
.6.80
6,80
OR
1,30 1,30
(二)公用類:
1,30
1.30
(十)其他
李大
JOKERR
23,00 23,50
22.50 22.30 -22,60
22,50
靈年地懷 選地公司
4:20
4.20
.3.90 4.05 ·4.00.
张立斯溫
1:4.00
菜
6.90. 7:00
6,50 [6,60% 6,70 6.55
0.155. 0.1675 0.155 8,50
0.155 0.16
8,50 8,50
$.50
琎燈樂團
9.30 9.55
23:00 23,20
22.6022.60
22.70 22.60
8,90 8.90 8.90
8.05
MA
.7,70, 7.70
3,70
-7.70.
中華煤氣、
39.50. 30.50 30,50
統一機構 泰山地
$3,000 2,00
: · 3: 10
3,00 3.40
·羅熱報業
-2.80% 2.80
3,80
30.50
合和設業
慈公司:
26.50 26,50 25.40 25.60 25.80 26,00
新昌海運
16,50 16.50 15.30 15.50 7:20 7.50 7.00 ·7.40
15.50
15,50
17.40.
7.40.
永深發展 ® 繼信地產
13.50 13.50
13.00
19.00 13.00
****
5.00
5,00 5.00
1.60
加薪地小新
75.50 75.50 71.00
73.00 72.00
1.60
1,60
160
九歌巴士:
14.10. 15.20 13.80
四海地產
2.85 2_85 2.85
2.85
15.00
15.00 15:00
(五)倉塢類
紅寶石: 鍵 貸款
保選
4.50
T
4.60% 4,201
中華巴士
4:25 4.20
4:20
-97.00 98,00 96,00 98.50
98,00 98.00
: 10.20
10.30
980
9.85
#
4.90
4.95 4.85
(三)工商企業類
A
6:25
安遠距大亞
.4.80. 4,90 4.20
.隧道公司
10.30 10.30- 9.90.10.20
曹州英泥
恆线
1017
1.65 1.80
4,70 4.75 9.90 69.00 64:00 62.50 63.00 64,00 63.60 21.59
21.60 21.10 21.50 21:10
21.20 1,66 1:1.65. 1.75
375 AP
17:50
大數
6,35. 5,90 17.60 17.10 8,00 8.201 3.70. 3.70
7:70 7.85
4.90 4.90 6.10 -6.20 17.20 17.1 7.70
4.95 6.05 -17.30.
九龍交易所上市股
̇安全貨意
4.50
4,60
4.50
4.50
造船廠
4.70
5.00 *-1,60.
.4.90
國際理業
7.80
(六)酒店類
金箔
愛市德
1,10
BAD
最低值
1.1
$575.625
AURI
3.625.
凱聯酒盛。
9.20
新安
8:50
1:35
-8;60,478,60 8.55
·新世界 啟明建襪
7:40 7.55
€7.20 7.201
7.25
7:25
而港企業,
56.00
58.00-56.00
56,00
58.00
1.73. 1273
1.73
1.73
大酒店
47.50
47:50 41.00
46_0046,00 ́
永遠社 佩益: 永鴻麵
"425"
1981
中學會考試題預習專欄
物理
明德出版社魯榮家提供資料
PHYSICS (3)
piece is in equilibrium.
Let d-density of the
mebel rod in kg
A-cross-sectional
area of the rod
in
the density of
block A be f
(PA) (8)(v)
(f)(10)(103)
ƒ▲ = 300kgm Relative density of
block
800
1000
0.8
Ans.
(iv) Let the upthrust of
block in liquid X be B. From fig.(c)
(0.05)(10)+B_ =
8
Ans
hm
As shown in the figure, pressure Fat A(P.)
atmospheric pressure 760mmH2
P = 760mmi g
Let the pressure at
be Pa
V40A
V = (40-10)A÷304
where A is the cross- sectional area of the
tube
Apply Boyles' law
tension in
.cord
weight of tr copper block 0.0895
weight of the
iron block.
Bouyant force exerted on the copper block 30uyant force
exerted on the
iron block
Consider the copper
block:
Davy - By
According to the
Archimedes' Principle,
Bouyant force = weight.
· M=
0.2236kg.
Ans
BACE
(MILL & DALE PRESS LID.)
Weight of the 30cm-arm
=(@)(0.3)(A)(8)
=0.3d Ag
1. From the
Weight of the 50cm-arm
BC
Answerse 4.
(a) In stage
Craph:
the truck
takes the longest time, it takes 40 seconds,
(b) Stage IV and stare
show that the truck
travel the greatest distance (400m).
(c) Stage I and stage II
Show that the truck
travel in uniforu
speed.
(d)(1) Stage I obtains
the greatest speed (20ms-1)
(11) Since the slope
of the graph represents the
acceleration, therefore stage III shows the
truck travels wit
greatest acceleration
for its elone is the
greatest.
(iii) Stage 17 shows
that trick obtains the greatest kinetic energy for its speed is the greatest in
this stage.
(c) Zotal distance
elled
total area under the proph
=2(15)(30)+(15)(20)
+(1)+20) (19)+(20)(20)
+2(20)(40)
1300ia
As shown in the figure, the angle between the 30cm-arm and
=(a)(0.5)(3)(8)
=0.5dAg
oment of the weight AC and BC about the vertical line through
of
P are equal in magnitude 3. 3a Ag (G,H)=0.5dAg(G_K) (where G and G2 are
the centres of gravity of the 30cm-arm and 50cm-ara respectively)
30 H = 53,1 GH
Csine
0.15eine
BCcose 0.25cose
3(0.15sine)
= 5(0.250
sine
tane
(0.25)
2.7778 70°12
13. Let the tension in the
string be 1, weight
the block be W, volume of the block be V and the upthrust on the block in water be B.
fig. (a)
fig. (b)
(1) In fig. (a)
= 0.8 ker
= SK
In fi (b)
T W
(0.2)(10)+8
107
(11) B
.. W
where
W
vertical is when the
10
Ans.
density of
water
- 1000kg
1000(10)(V)
fibensity
Let the
liquid X be
B2 = L2 (B)(V)
7.5=(ƒ_) (10) (1973)
-750 kgm
Relative density of liquid X
750
1000
= 0.75
• 760(494)=P2(30A)
04.0
mmbe
But
pressure at B
atmospheric pressure
pressure due to liquid column
760mmHg + pressure
due to liquid column Pressure due to
liquid column
Ans
3040
760
(b) Let the mass required
be M
Volume of metal requir
ed
M B000.
Total volume of the
combined body
+10 (in m3)
Mass of block A
0.8kg
Total mass of the
combined body
(M+0.8)kg
Since the combined.
body floats in water. with the upper surface just covered by water, therefore the density of the combined body is equal to the density of water
1000--
M. + 0.8 M
+10 8000
760
mmHg
(13600) (10) (260)Km2
On the other hand, pressure due to liquid column
= (1200)(10) (h) ..(13600) (10) (260)
= (1200)(10)(h)
13600x260
3x1200 2871.11m
Depth
of the lake
2871.11m + 10cm
2871.11m+0.1m.
- 2371.21m.
Ang-
A force diagram is constructed as following:
of equal volume of liquid displaced.
Volume of copper block
mase of copper block
density of copper
10.089
ૐ હતું
where d is the density
of water
089.
=7-0.01€
= 0.0898 -0.01g = 0.0798..
(1)
Similarly, consider the
iron block
Let m be the mass of
fron block.
Volume of the iron block.
-
-(1-25
0.8713
(2)
By cquating (1) and (2), 0.0796-0.3718mg
0.079
0.0906 kg
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