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Đề thi thử học sinh giỏi 10 có giải sẵn

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TRƯỜNG THPT TRẦN HƯNG ĐẠO
ĐỀ ÔN THI HSG 10 SỐ 2
Câu 1: !"#$ %&'
( 
)
**
 "#+,%- 
)
**
./0- 

)
=−=−
.12345
)
**
6%7 3.
Câu 2:869:"; 6954<06


=
>?@A,BCD
7$;C&BCD6EC"#04,%F>)=
=
76
=
"E!G B
CD.H69,4 69,I";5!G BCD.
J KA54A'L4696EBCD,%M.
4.N+345O469P,6%P5 7F6%M.
./(4507,<(4,.N4 QI%69,
";.
Câu 3: J #K"N6R-
J -1KA54A'L486%A%,%P

7
L486%,%P
.
'!,Q
F
r
,8 C"#;C6EC"#
4$
α
.12NS

 'P:86%3$
α
"#+T
Câu 4:

U AVO4W#7IX42<5KN$4W,B5
'W.Y4P,B7I234AV<N. IX42,%'% TZ[
3T
Câu 5: 4W\$G,";]4";]4
6%Q4IL4/O4$,][<WJ$G
,";^7'P3_"; 6% 7(!V`!%0'
P3_O4][<.J $∠/J>α>)=

.3$ϕ
O4!V`;C6E"(D+PKV0.
Biết:
( )
A A . A  A .Aa b a b a− = −
Câu 6:
J$=P3,+4 ,49P3&Ca9b→ Wc
a[&N.J 

>)=,3*C

>d4*

>=,3*C

>d4.12NK4 %P3I
"; ]'N./P5,"; ,O4,,%?@ ,6%_>=7=e4.,@ ,..
ffffffffffffffffffffff1fffffffffffffffffffff

F
r
α

M
m

`
J
\
/
Câu 1:
[ ]

)

))
)=)
=




=

)
)==)


==


==



4
4.

4


4
?d
d

4
6)
?

4
6

4
6
)

4
6


4
6



4
6
+−
=⇒
==−+−=+−⇔−
++=−⇔−
++=

+−=−⇔−
++=
++=
++=
gggggggggggggggggggggggggggggg
f X

+
<



)

694!<
ggggggggggggggggggggggggggggggg.
f X

+
>




)

699!<
C âu 2:
4.H69,-
f'!,69$G,Q7C[,QX6%,Q4A'S
A
.
fUc,9hhXi -
A
X  S
4

+ +
=
r r r
r
fJ,6%4";-
A ,
.A S 4
X . A =
− α − =


− α =

4S
A
>M.X4

,
>f.AFjM. AF
"#QP5-4

>.AFkM. AF
.^2"(%69";P,-
Y
,
>

= , ,

6  4 

+
.
8BP'P,4 N695O4690-
6>6
=
j4
,
.
,
>=6
=
>f4
,
.
,
.

46% C"#N4";-Y
,
>

, ,

4 


H5]2"(69";,%-
Y

>

l l

4 

8%-Y
,
>Y



, 
 ,
4 
7??
4 
 

= − =
 ÷
 
4'+O445O4V46% 4";-
A  A
7??
A  A
α +µ α
=
α −µ α
M

=7.
46% +O445P,4";-4
,
>f?7@A

.
^2"(-

=
,
,
6
Y
4
= −

7md.
U4 ,E%69I";-

4
>Y
,
.AF>=7me.
Câu 3:
jln69-
   ms
P N F ma+ + =
r r r
r
.
J,l-S
A
>4


mn
F
a
m
⇒ =
J,o-X

k

>=

X

>





S
A
>P

.X

>P

.


 
k mg
a k g
m
⇒ = =
.H69p<";NN4

>P

.
jln698-
    
 
ms ms
F P P N F F M m a+ + + + + = +

r r r r r r
r
.
J,l-
 
 A  
ms ms
F F F M m a
α
− − = +



 A
ms ms
F F F
a
M m
α
− −
⇒ =
+
J,o-
     
A   = AF P P N N P P F
α α
− + + = ⇒ = + −
4$-
 ms
F k mg=


    
 A 
ms
F k N k P P F
α
= = + −
   

 A  A F k mg k P P F
a
M m
α α
− − + −
⇒ =
+
H69";
 
a a≤
   

 A  A F k mg k P P F
k g
M m
α α
− − + −
⇒ ≤
+
     
   A A   k g M m F k k mg k P P

α α
⇔ + ≤ + − − +
       

       
 A A
k k Mg k k mg k k Mg k k mg
F
k y
α α
+ + + + + +
⇒ ≥ =
+
X9n-S




4
. D+/4JaCAP-
     
  
 A A    A A  y k k k
α α α α
= + ≤ + + = +

4 
y k⇒ = +
.
9

   



   

k k Mg k k mg
F
k
+ + +
⇒ =
+
qr$-


A
 A 
k
tg k
α
α
α
= ⇒ =
Câu 4:
fsC5KD+7A4$,B5W#< 
AV76tL"5K.
fU'!Q"E!V, 5K
fuC!c,9/af,#f84ff5 P5P3 5K.
 KPa
C




>C↔C

Y,

>CY,
8%-C>C

jρ
⇒C

,

>C

jρ,
 
o o
p l l
h
gl
ρ

⇒ =
-AV#< .
C

-,%'CAP3].

,

-!%5K.
,-!%O4P5P3 5K,r&'W.
ρ-P5,";O4"E.
-45G"(.
GAC[O'I,"; a+
Câu 5:fU56E][<J-

)
A
 A
A
 A.A
ϕ
α
ϕ
αϕ
QQ
N
RNRQOBNCHQ
==⇒
=⇒=⇒

fU56E4\-

v.v.
@
@
v

OHPOBNMM
OP
ON
=⇒=
8%Xw>X

)=A
ϕ
−=⇒
o
OBPOBN

b6%

)?
)
4
 A)A)?
A
)
 A

A)= A A)=A.
)=AA
)

PQ
P
PPQ
s

PP
PP
P
Q
oo
o
+
=⇒
=+⇒
−=−⇒
−=⇒
ϕ
ϕϕ
ϕϕϕϕ
ϕϕ
Câu 6:
U If$!I ID$!I-C>4j
f H

>)=,3*C

>d4⇒d>4.)=j4
f H

>=,3*C

>d4⇒d>4.=j
b46%⇒4>f@*>=

=


V
pV V⇒ = − +

8%-
=
d
?
m RT
pV RT RT
µ
= = =
!
b6%!⇒

d =

V
RT V= − +

?
=
V V
T
R R
⇒ = − +
ln%>x
v
 ?
=

V
T
R R
= − +
H
w
>=⇒>=,3
⇒>=,3N
4
⇒

4
= ?.=
?ey7e
=.=7=e =7=e
m
T K= − + =

`
J
\
/
1w
1
X
Xw
^

ϕ
,


w

JU
f
j =
= )=
=

×