# Θεματα 2002 Εσπερινού Απαντησεις

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Θεματα 2002 Εσπερινού Απαντησεις

### Text of Θεματα 2002 Εσπερινού Απαντησεις

• . "

"

1 1. 2. 3. 4.

X U K () ( ) ( )

J 9J

1X 6J 3J

2X 5J 4J

A 9J OJ

5. II

I

2.mKg

L sec

2mKg

Hz

2 .1.

1 2

r1 r2

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• . "

"

, . , .

• . "

"

3 1.

L

W

L/2 - d

FA F

d

+

F=0 =0 F=0 0=+ WFFA (1) =0

-FA(L-d)+W( dL

2)=0 N

dL

dLWF

SI

A 205,2150

)(

)2

(=

=

=

(1) F=W-FA = 30F

2.

L

W

L/2 - d

FAF

d

+L-d

W1

NFF AA 102== F=0

01 =+ WWFFA WFFW A += 1

=0 0)2()( 1 =+ dWdLWdLFA

d

dLFdLWW

A )()2(

1

= NWSI

505,0

5,2101501 =

=

NW 501 =

. "" - .: 27210 95352, 96390 http://www.epil.gr

• . "

"

4 .

Mm U

M + mV

-A +A0

. KMmT += 2

422

1021000

1011092

=

+=

SISIT sec102 2=

.

2221)(

21 KAVMm =+

MmKAV+

=

22

MmKAV+

=

sec10101010001,0 2 mV

SI=

=

V = 10 m/sec

.

:

PP rr

= VMmmU )( += Mm

mUV+

=

sec100101101010)(

2

2m

mMmVU

SI=

=

+=

U = 100 m/sec

. =t sec10010222

=

=

=

=0,1100t (SI)

. "" - .: 27210 95352, 96390 http://www.epil.gr

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