三期星 日十月一十年一七九一嘎公布十六國民華中有教備
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又將打破如
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一編行的小熱入基試,將有八街五千左右小無基菜生产加 ・自一九七C年,開唱,升中試取消限搁考生人數的也向後,奈加此對考試的恐生減來多,很年为生人教宗有很次增加 : (L)一九七三年度升中試的考生人數,將再次刷太各項公開考試有史以來的最高紀錄,有關方面預計明年五月
中學之機會更少 生參加 在此情形下 考生獲得學位升讀 有關方面預計將有約八萬五千名小六學
佛敎林炳炎紀念學校 出逆而大盘的增加,因此升中試海生應以位升班中學的機會不會有更大堀如,自然,依於数年前,其光学世曾烈据大了6 日楸國。如此,升中試学生仍然有大部份定能獲得坐位,在最近之二、三年內,海於100年制,此五年制,你做無脂作 【熱的需求,該府於今年投施三年制,助中際教育計劃,共有九千四百年制,他低,形中台灣生,而年馬在進修此生而 生,許佑全部考生百分之二十二,此等考生的屠殺畫五年制的會場區學。店內至中的一下,以及應付體大小,喜歡生於
昨日舉行開幕典禮
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樂之衆名表格淑示後,
比賽,供十六至廿一歲
今畢業禮 艾 堅道書院
英文書香院第五在家 沿氏香港坐直
教师合會主流政卢张贴士古道,計有標準 成性,梁等含·慈
報日橋
二王第日三十月九年或全网嶌
WAH KIU YAT PO
| 昨日下午四時在該校百六十。肌有雅堂,我佛,好行其德, 可九分層體育高拨,帶爭分證古塔獎品。該
官神主教唐名流,代教育水準云 辦各糰關,肚围首! 奕爵士主件指案,號東
雙餡,均符現英郡之佛教林炳炎紀念 風,開公家及運動塔等,此一由港州教聯合會配木舟及船舨比樂,定度政界名流及民生家長 學校,由名位主持之大,下月四日及五日限行。體長 一九七一年灘、永檢已乘造社會背燬,
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聯合畢業典禮
糯,在金融界內,幾盡
現行教育之規範,必能
使陶,献會能港宴大金會:
國際肚 南新
| |由校藏阿諾訴博士代|一营的,就是炳炎先生,此其。以上所說,而九邠區會棚主席,坐11日下午三時,便大會 黃允畋校對政研會詞,一會中,他做很本站方面,作迅似大之宫献,官協灣會長,書灣萊雅 戲,及登没三校,定十
佛經長人皆知。不過,在此症,對當泆資之,改造社會帶勀面政|會商會所出香米、九
供易林炳炎先生眞
一堂音業廳署合聚餐 第
我們大家在此不能不盡 日越台北出席世界罕氏
武·宗大王於炒
一到,称就黃國芳那士性精神,至足寫好人 一,地栽林秀根女公子向一出平,撥作就当苏金, 陳夫人試花,林明鎮一此狱公爾荒私,已落一对楮內炎先生妝艾嘉縣、安親大商,加一蘭雅證學生優盛览文 佛教林炳炎記念學煎開集,行政局首席和入卿員提磴燊俳士主持报商
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耱守百八千上萬元? 安·政院,共一起人、北極洞等均能 【先人映画徵志,豬精鉕 其他教育機構。思見林 管侧理,林秀梁裕龙,女大學路有「林炳炎染 生省南恒生何粹九擺佈一说起念良校外,尚在中, 「位」,捐助其之
[十一月十日下午一淼到會柢唔會談。凡校
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俄克 西外,無分
·解释设傭條例及有關業務 今日訪問香港教師會
勞工處勞資關係主任
[同兴氧巡视校舍,他館 」之胺盐,用於進 得,
一泡發育實梁方面,除推 燕今日開附之佛教林店
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IL於 十月裆作高期十日之所
英敎育專家
今袛港考察
[此夜該一九一對,
優
1972英文中學會考試題預習專欄
堅道英文書院主編
物理科
Phylici (2)
Cosson beam það að
Gaaa bearing
Beam
hook
Box
Scale: &
Plumbling
tirrup & it's bearing Balancing. sorak
levelling scraw
the body Is placed in
In placed in B.
bela+ 162 fa
1440
(1) (169/a
ala ala 114 lo
144 165
144 x 169
12
156
__(5)
Yield
paint
is the point beyon the elastic
limit when the extension of the wire increas
mea rapidly as the load is increased, and
巩
-
Extension
elastic limit
yield poin
"Arrestment
knob.
The precautions taken in handling the beam balance. alghing are
(1) See, by peans of the plumblino that the balance
10. level.
(2) See that the stirrups are not displace; see also
that the pans are dry and clean
(3) Raise the bean to see whether the pointer swinge
:wqually on bpch sides of the middle point of.the. scale. If necessary, adjust the balance by means of the balancing acrew at either end of the bean. Do not stop the swinging of the balance with a jerk but stop it gently when the pointer is nearly at ata central poart192
(5) Always, place the body to be weighed on the tert- hand, and the weights on the right-hand pan. (6)Lower the beam before adding or removing any weight.. (7) On no account touch weights with the hand, but
alwaye use the forceps.
(8) Do not, weigh a body when hot; the heat causes air
currents, which affect the weighing.
Close the balance case when observing the swinging of the pointer; and keep the ca oldsad: whoi:thie balance is not in use.
(10) Always replace each weight in
proper compartment
Hence the true weight can be formed and in egual 56 gm-w
(ii) the soule Pons are identical,
Repeating: equations (2) and (3)
#06 + 2446 169la
(2) (3)
m)(季+ a) - (ma; ~ 169)(mb
By (6)
Bank
144/
169 mb ↳ 144 ma 169 x 144
2mm ●日 (169 + 144) + 169 x 144
(o) Let the weight of the metal ball.
extension
10.5
5.KW
Adding 200-gm-t
(Hooke's Law,
200)
0.5(w+ 200)
.8w 100
125
(b) The operation of the spring balance is based Tooke's Lay while that of the bean balanco
Principle of Moments,
(a) Let
weight of cosle pan A
weight of scale pan
arm-length of:
arm-length
true weight of the body.
(1) the balance is in
equilibrium when unloaded
(Principle of Homento)
This is a quadratic equation which cannot be ablved
Hence in this case, the true weig eof the body) ̇cannot be found.
A method to find the true weight in this case is to balance the beam by adding weights to one pan before wengiang the body. These weights are then:left:an part of the acale:pany thus reducing the situation to case (1) The body as then waighed using the "double. weighing" method, 1.e, weighting in pan. A and then in pan B as described in the problem,
Altenatively, the true weight can be found by substitution method. The body is counter balanced with sand. It is then removed and weights are placed in the same scale-pan until a balance is again obtained. Then the total weights on the pan give the weight of the body..
(2)
Hooke's Law states that provided the elastie limit is not exceeded, the extension of a wire is directly proportional to the tension; or load applied.
Elastic limit is the load bayona wha ca a wire does not obey Hooke!o Law and the wire does not return to its original length when the load 28 removed,
Weight of the metal ball is 125
Tension in the string
Tension in spring balance
tenaton in string (pulley
$100
Let extension of afring balance be Lem,
but from (0) 0.5 - K x 125./
*I - K = 100.
(4)
100
0.5 x 100
125
44 cm
(3)