2020年江蘇省南京市鼓樓區(qū)中考物理模擬試卷

卷（選擇題)_

__

__

_____

__

__

______

__

_

__

__

____

_ _ _ _ __ _ _ __ _ _ _ _

AB

A

B

A

B

A

AB

A

B

A_

__

__

_____

__

__

______

__

_

__

__

____

_ _ _ _ __ _ _ __ _ _ _ _

B

A

B

AB

A

B

AB

B

R

L

AB

卷（非選擇題)

LED

LED

______________________

_______

h

______

A

B_______-

_

__

__

_____

__

__

______

__

_

__

__

____

_ _ _ _ __ _ _ __ _ _ _ _

_____________________________

_____________

_______

）。

B

_________J

________________________g ________q

＝

＝

（g 氫 __________b____________

______________-

L

L

L=________

_______J

A

A

_________V

____________

__

__

_____

__

__

______

__

_

__

__

____

_ _ _ _ __ _ _ __ _ _ _ _

Fl____________EE____________+___________

__________

_________________

__________

________________________________________________

________

b______________________________cm___________

__

__

_____

__

__

______

__

_

__

__

____

_ _ _ _ __ _ _ __ _ _ _ _

___________________

m/s

m/s

m/s

___________N_____

______

________

h

________________________

_____________________AB

I_______

_________

A

______

m

_

__

__

_______

__

__

______

__

_

__

__

____

_ _ _ _ __ _ _ __ _ _ _ _

T

TT____________________________________

___________

A

AB

BA

AA.AB.B

B

A

AB

B

BAABB

BA

>

F

浮 液 排

>Bp

>p

B

=

BBAB

BB

B

AB

AA

L=

L=

L

I L=

=

L

I I

I

L

LI

LAB

UI

UI LED

W

W

＝Fs＝＝W

＝ ＝ W A

FBF

F

＝mq＝

＝7

＝

＝

＝ ＝cmV

cm

b

＝

eq

\o\ac(△,t)＝

＝

I

L

P

=

L

I

L

W

P

額

AA

I

I

I

I

I

L

I

L

額

ll

E

AE

cmΔ

m

m，即

，即

b

+ 木

×

>

h

mm

=m

+m

=90g+4g=94g總 砝 游m

=m

m

=94g-28g=66g液 總 杯=60cm

kg/m

,

,F

=

=

浮 水,b

,F

==

h

=

h

>

I

I

額 額

額P