... hai
điện tích q
1
và q
2
tác dụng lên điện tích q
3
là:
A. F = 14,40 (N). B. F = 17, 28 (N). C. F = 20 ,36 (N). D. F = 28 , 80 (N).
Bài 8. Hai điện tích q
1
=4.10
-8
C và q
2
=-4.10
-8
C đặt tại hai điểm ... công suất P = 600W, hiệu suất H =80 % để đun 1,5 lít nước ở nhiệt độ 20
0
C. Thời gian đun sôi nước là:
A. 16phút 25 giây B. 17phút 25 giây C. 18phút 25 giây D. 19phút 25 giây
Bài 9. Cho mạch điện như ... lớn của hai điện tích đó là:
A. q
1
= q
2
= 2, 67.10
-9
(C). B. q
1
= q
2
= 2, 67.10
-7
(C). C. q
1
= q
2
= -2, 67.10
-9
(C). D. q
1
= q
2
= -2, 67.10
-7
(C).
Bài 3. Hai điện tích điểm...
... (N). C. F = 20 ,36 (N). D. F = 28 , 80 (N).
Bài 8. Hai điện tích q
1
=4.10
-8
C và q
2
=-4.10
-8
C đặt tại hai điểm A và B cách
nhau 4cm trong không khí. Tính lực tác dụng lên điện tích q= 2. 10
-7
C ... công suất P = 600W, hiệu suất H =80 % để đun 1,5 lít nước
ở nhiệt độ 20
0
C. Thời gian đun sôi nước là:
A. 16phút 25 giây B. 17phút 25 giây C. 18phút 25 giây D. 19phút 25 giây
Bài 9. Cho mạch điện như ... lớn của hai điện
tích đó là:
A. q
1
= q
2
= 2, 67.10
-9
(C).
B. q
1
= q
2
= 2, 67.10
-7
(C).
C. q
1
= q
2
= -2, 67.10
-9
(C).
D. q
1
= q
2
= -2, 67.10
-7
(C).
Bài 3. Hai điện tích điểm...
... 16.C 17.B 18. C 19.B 20 .A
21 .A 22 .A 23 .B 24 .C 25 .A 26 .B 27 .C 28 . B 29 .C 30.C
31.G 32. D 33.B 34.A 35.C 36.C 37.A 38. B 39.C 40.D
1. C 2. D 3. C 4. C 5. B 6. B 7. B 8. B 9. D 10.A
11.D 12. A 13.A 14.A ... 9. D 10.A
11.D 12. A 13.A 14.A 15.C 16.A 17.B 18. A 19.B 20 .C
21 .A 22 .C 23 .B 24 .A 25 .C 26 .B 27 .C 28 . C 29 .C 30.B
31.G 32. A 33.C 34.D 35.B 36.C 37.B 38. B 39.C 40.A
... degree
39. I want to see the man. He owned the restaurant
A. I want to see the man, who owned the restaurant.
B. I want to see the man, whom owned the restaurant.
C. I want to see the man who owned...
... khoảng thời gian 0 đến 5s; 5s đến 15s; >15s
lần lượt là
A. -6m/s
2
; - 1,2m/s
2
; 6m/s
2
B. 0m/s
2
; 1,2m/s
2
; 0m/s
2
C. 0m/s
2
; - 1,2m/s
2
; 0m/s
2
D. - 6m/s
2
; 1,2m/s
2
; 6m/s
2
Câu 49 : ... F
1
+ F
2
hay
21 21
FFFFF +≤≤−
- nếu hai lực cùng phương ngược chiều : F = F
1
– F
2
(F
1
>F
2
)
- nếu hai lực hợp với nhau một góc
α
:
α
cos2
21
2
2
2
1
2
FFFFF ++=
Bài tập
2. 1.Chỉ ... m/s
2
; v = 38 m.s. B. a = 0 ,2 m/s
2
; v = 18 m/s.
C. a =0 ,2 m/s
2
, v = 8m/s. D. a =1,4 m/s
2
, v = 66m/s.
Câu 36: Một oto đang chạy thẳng đều với vận tốc 36 km/h bỗng tăng ga chuyển động nhanh...
...
Listen and copy
G
G
i
i
á
á
o
o
á
á
n
n
t
t
i
i
ế
ế
n
n
g
g
v
v
ă
ă
n
n
8
8
Unit 2
Making arrangements
Period 8 lesson 1 : Getting started
Listen and read
A/ Aims and ... Mrs Van
Message : Mr Nam called about his
stationery order . He wanted you to call him
at 86 34 0 82
Taken by : Mr Toan .
- Ask Ss to write another message , using the
scene “ Tom phoned Nancy ...
information and write the message .
- Let Ss write individually then share with a
partner .
- Call on some Ss to read their answers
- Correct and give feedback .
* Answers :
Thanh Cong Delivery...
... Ss to practice asking and
answering in pairs .
Practice asking and
answering
Unit2 Making arrangements
Lesson 2 : Speak
A / Aims and Objectives : By the ...
sentences in the correct order to make a
complete conversation .
- Call on some pairs to read their answers
and write them on the board :
* Answers : 1-b 2- f 3-j 4-a 5-i 6-c
7- e 8- k 9-g 10- ... Hello , Bao . How are you ?
Bao : I am fine . Thanks , and you ?
Ba : Great . Me too.
Bao : can you play chess tonight ?
Ba : I am sorry . I can not play chess
tonight . I am going to do my...
... on some Ss to read their predictions
and write them on the board .
2. While - listening :
- Turn on the tape twice and ask Ss to fill in
the message , compare with their
predictions .
...
message and listen
to the scene
Guess the message
Read their
predictions
Listen to tape
carefully , compare
with their
- Call on some Ss to read their answers
after checking .
* Answers ... dialogue .
Practice in front of
Unit2 Making arrangements
Lesson 3 : Listen
A / Aims and Objectives : By the end of the lesson , Ss will be able to
complete a telephone message by listening...
...
board and ask Ss to work in pairs and guess
Read their answers
aloud and copy .
Listen carefully
Listen and repeat in
chorus , then
individually .
Guess its meanings
Copy ... the
correct order .
- Have them compare with their partners
- Call on some Ss to read their answers
aloud .
- Correct and give feedback
= > Alexander Graham Bell
1. Was born in Scotland ... aims and
some new words to Ss .
1.Pre teach vocabulary :
- to emigrate = to go another country to live
- to transmit ( translation )
- to conduct = to carry out
- to demonstrate ( translation...
... .
* Answers :
Thanh Cong Delivery Service
Date : June 16
Time : After midday
For : Mrs Van
Message : Mr Nam called about his
stationery order . He wanted you to call
him at 86 34 0 82
Taken ...
Listen and repeat in
chorus , individually
.
Guess its meanings
Copy down
Play games
Read and do the
exercise .
a partner .
- Call on some Ss to read their answers
- Correct and ... vocabulary : Rub out and
remember
III / While - writing :
1. Reading and gap filling
- Ask Ss to read the message and fill in the
gaps in the message .
Practice asking and
answering the
questions...
... with his cousin , Mr Tuan “
- Let Ss work in pairs , then compare with
another pair ( at their table )
- Call on some Ss to read out the speech
bubbles
- Give feedback
a. Where is Tuan ? I ...
Ex 2 : Complete the list ( Questionnaire )
a) Ask Ss to work in pairs
Work in pairs
Read the example
Read their complete
sentences
- Ask Ss to go to the board and ... I am inside , Ba.
- Call on some Ss to read the complete
sentences
III / Homework :
1.Copy the complete exercises in their
notebooks .
2. Write six sentences about your house ,
using adverbs...
... report the answers and
write them on the board .
2. While – reading :
- Turn on the tape 2 times and ask them to read
the conversation between Nga and Hoa , then
give them feedback .
* Answers ...
Practice asking and
answering the questions
Work individually
Unit2 Making arrangements
Lesson 1 : Getting started
Listen and read
A/ Aims and Objectives : By the ... movies .
d. Nga arranged a meeting place .
e. Hoa arranged the time .
f. Nga agreed the time .
- Get some Ss to read the conversation aloud .
Correct pronunciation if any
I – Comprehension questions...