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2015

.1

.2

.3

.4

5. . , . , . , . , .

.1) (iii)

MgLmgLL

Mg 2

(1)

II

(2)

222

6

5

23

1L

ML

MMLI (3)

(3) (1) (2):

L

g

LM

MgL

5

6

6

5 2

,

I5

2

5

6

3

1 2 MgL

L

gML

t

L

.2) (iii)

0x . 0x 4/ . 2/ . 2/ . 12/ . :

3

4

12

16

12224

x

,

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3

82

3

422

3

42222

AAAx

AA

3

222

AA

.3) (i)

2 :

xDgmN 222 xmgmN2

222

, 2 1 Ax :

AmgmN 222min2

:

0min2N 02

22 Amgm 02

22 Amgm 02Ag

Ag 2 (1)

,

T

2

k

mm 212

2

21 mm

k

(2)

(2) (1) :

Amm

kg

21

kAgmm 21 gmmkA 21

VV 40

22 1108 iUE 222 108108 iUE (S.I.) (1)

:

BE UEU2

2

1LiEUE (2)

(1) (2) :

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JE 2108

HLHL 22 10161082

1

.1) :

FCV

ECCVE 4

2

2 102

2

1

,

ssLCT 342 10810101622

.2) sradsradT

/250/108

223

CVFCVQ 34 1044010

ACs

radQI 1104250 3

12

Tt :

AAT

TtIi

IS

5,02

1

612

21

..

, 12

Tt :

JUIS

E

2

2

22..

1062

1108108

.3) dt

diLVL

L

V

dt

di L L

V

dt

di C LC

q

dt

di q

dt

di 2

qdt

di 2 (3)

BE UU 3 .

,

33 EBBE

UUUU (4)

)(MAXEBE UUU (5)

(4) (5) :

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)(3

MAXEE

E UU

U )(3

4MAXEE UU

C

Q

C

q 22

2

1

2

1

3

4 22

3

4Qq

22

4

3Qq Qq

2

3 Qq

2

3Cq 31032

(3) :

sACs

rad

dt

di/31251032250 3

2

.4) EUU BE ELiC

q 22

2

1

2

1 2

2

2

1

2

1LiE

C

q 2

2

2 LiEC

q

22 2 LCiCEq (6)

axby ,

2qy

CEb 2

LCa

,

2624 10161081022 CJFCE

2642 1016101016 sFHLC

, (6) :

2662 10161016 iq (S.I.) (7)

(7) :

0i 262 1016 Cq

0q 22 1Ai

.1)

22 Cq

61016

1 22 Ai

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maTmgmaTwmaF SSx (1)

cmI r

amrrTS

2

5

2 mraTS

5

2

m

Ta S

2

5 (2)

(2) (1) :

m

TmTmg SS2

5

2

5 SS

TTmg

2

7 STmg

.).(

7

2 IS

S

mgT

4ST (S.I.)

.2) yF . ,

rR

mwN y

2

rR

mmgN

2 (3)

... .

22

2

1

2

1 mImgh

2

2

22

2

1

5

2

2

1

m

rmrmgh

22

2

1

5

1gh

2

10

7gh

7

102 gh (4)

, rRh (5)

(5) (4) :

xw

N

yw

w

ST

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7

102 rRg

(6)

, (6) (3) :

rR

rRgm

mgN 7

10

7

10

mgmgN

177

17 mgN

.3) .... , . .

... .

22

2

1

2

1 mI rRmgmI

22

2

1

2

1

2

2

22

2

1

5

2

2

1

m

rmr

rRmgmr

mr 22

22

2

1

5

2

2

1

22

2

1

5

1 rRg

22

2

1

5

1

2

10

7 rRg

2

10

7

rRg22

10

7

10

7 rRg

7

1022 rRg7

102

8

7

7

102 Rg.).(

2

8

10 ISgR sm /4

, sm /4

. . , :

2

2

1gtth

gt 0

:

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mg

h 8,02

2

mh 8,0max (

).

.4) ( ) :

sJmgBFdt

dK/56

0dt

dL

0

Science & Physics 4 all : 8

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