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Ta có: v = 90km/h; Δx = 3km; Δt = 2 min 10s = 130s = 130/3600 h

Tốc kế của một ô tô cho biết tốc độ tức thời tại thời điểm t nào đó. Nếu ô tô giữ nguyên vận tốc thì chuyển động là thẳng đều với vận tốc:

v = 90km/h = 25m/s

 

Vận tốc mà hành khách đo được là:

Để học tốt Vật Lý 10 nâng cao | Giải bài tập Vật Lý 10 nâng cao

Vậy tốc kế chỉ không chính xác.

28 tháng 11 2019

1. Thanks/technology,/we/can now/preserve/culture/future generations.( Make sentence, using cue words)

⇒⇒ thanks for technology, we can now preserve culture of future generations

2. Your frend is going to Japan to stay with her Japanese friend.(give her advice)

⇒⇒She should go to Japan to stay with her Japanese friend

3 . At the Mid-Autumn festival, kids can sing, dance, and enjoy mooncakes; therefore, very child likes its very much(Rewrite the sentence)

⇒⇒Because At the Mid-Autumn festival, kids can sing, dance, and enjoy mooncakes, very child likes its very much

28 tháng 11 2019

1. Thanks/technology,/we/can now/preserve/culture/future generations.( Make sentence, using cue words)

-> Thanks to the technology, we can now preserve cuture for future generations.

2. Your frend is going to Japan to stay with her Japanese friend.(give her advice)

She should go to Japan to stay with her Japanese friend.

3 . At the Mid-Autumn festival, kids can sing, dance, and enjoy mooncakes; therefore, very child likes its very much(Rewrite the sentence)

Because kids can sing, dance and enjoy mooncakes at the mid-autumn, every child likes it vey much.

Kết quả vòng 2 :1 ) Hoàng Lê Bảo Ngọc : 26/25 câu ( + 1 điểm )                 2 ) Dark Wings               : 19/25 câu                  3 ) Trần Việt Hà             : 5/25 câu                  4 ) Vũ Đức Toàn            : 19/25 câu                  5 ) Nguyễn Anh Duy       : 12/25 câu                6 ) Đường Hạc Bảo Quyên : 20/25 câu                  7 ) Nguyễn Diệu...
Đọc tiếp

Kết quả vòng 2 :

1 ) Hoàng Lê Bảo Ngọc : 26/25 câu ( + 1 điểm )

                 2 ) Dark Wings               : 19/25 câu 

                 3 ) Trần Việt Hà             : 5/25 câu 

                 4 ) Vũ Đức Toàn            : 19/25 câu 

                 5 ) Nguyễn Anh Duy       : 12/25 câu

                6 ) Đường Hạc Bảo Quyên : 20/25 câu 

                 7 ) Nguyễn Diệu Linh           : 13/25 câu

                8 ) Nguyễn Trần Anh Thư     : 18/25

                9 ) Luchia                        : 22/25

                10 ) Thuy                                : 24/25

                 11 ) Hồ Thu Giang             : 24/25

                 12 ) Nguyễn Quốc Việt        : 4/25

                   13 ) Vũ Thị Hồng Hân        : 8/25

                  14 ) Tú Tự Ti                       : 14/25

                   15 ) Nguyễn Ngọc Sáng    : 22/15

                   16 )Lê Nguyên Hạo            : 13/25

                    17 ) Linh Cao                     : 11/25

                    18 ) Nguyễn Đình Dũng     : 13/25

                     19 ) Nguyễn Thị Huyền      : 14/25

                      20 ) Linh Oracles              : 19/25

                      21 ) Nguyễn Thế Bảo       : 17/25

                      22 )@Trần Minh Hằng_TFBOYS : 9/25

                      23 ) Nguyên Anh     : 15/25

                      24 ) @Duong Thi Nhuong TH Hoa Trach - Phong GD va DT Bo Trach : 9/25

                      25 ) @Silver bullet : 14/25

                      26 ) Tuấn Anh Phan Nguyễn : 11/25

                      27 )Dora Tora : 0/25

                      28 ) Đinh Diễm Quỳnh : -2/25

                       29 ) @thế giới của tôi gọi tắt là NHT : -3/25

                      30 ) Cậu bé ngu ngơ : -3/25

                       31 ) Phương An : 25/25

Những bạn loại :

   29 ) @thế giới của tôi gọi tắt là NHT : -3/25

    30 ) Cậu bé ngu ngơ : -3/25

28 ) Đinh Diễm Quỳnh : -2/25

     27 )Dora Tora : 0/25

 3 ) Trần Việt Hà             : 5/25 câu 

   22 )@Trần Minh Hằng_TFBOYS : 9/25

  12 ) Nguyễn Quốc Việt        : 4/25

13 ) Vũ Thị Hồng Hân        : 8/25

  24 ) @Duong Thi Nhuong TH Hoa Trach - Phong GD va DT Bo Trach : 9/25
26 ) Tuấn Anh Phan Nguyễn : 11/25
17 ) Linh Cao                     : 11/25
Thầy @phynit
34
17 tháng 10 2016

Do bận việc học hành nên mình sẽ chuyển cuộc hti sang ngày 20 nhang .

16 tháng 10 2016

Chúc mấy bạn vòng kế thi tốt nha, anh Võ Đông Anh Tuấn đăng đề lên nhé, để em xem haha

8 tháng 9 2016

thằng nào z?

đừng tưởng đọc ko ra nha

LTNT: Lê Thị Ngọc Thư

NHH: Nguyễn Hoàng Hiệp/ Hữu Hiệp

khai mau????

8 tháng 9 2016

bậy r, cậu ns sai sự thật kkkk

I. Choose the best answers. 1. I used to .................. money by delivering vegetables to the city. A. earm B. get C. make D. A&C 2. It is wonderful ........................... the weekend in the countryside. A. spend B. spending C. to spend D. spent 3. There is a meeting .......................... 9 a. m and 4 p. m on Sunday. A. at B. between C. to D. on 4. Would you like ............................. now or shall we wait until the end? A. go B. to go C. going D....
Đọc tiếp

I. Choose the best answers.

1. I used to .................. money by delivering vegetables to the city.

A. earm B. get C. make D. A&C

2. It is wonderful ........................... the weekend in the countryside.

A. spend B. spending C. to spend D. spent

3. There is a meeting .......................... 9 a. m and 4 p. m on Sunday.

A. at B. between C. to D. on

4. Would you like ............................. now or shall we wait until the end?

A. go B. to go C. going D. went

5. When I entered the room, the baby ........................ quietly.

A. is sleeping B. was sleeping C. slept D. were sleeping

6. I hate .................... T.V, but like .............. books.

A. watch reading B. watching reading C, watching/read D. watch/read

7. You don't play computer games,........................... ?

A. do you B. don't you C. did you D. didn't you

8. He often does his homework ........................ the morning.

A. on B. at C. in D. for

9. Did he .................... live in the country when he was young?

A. use to B. used to C. get used to D. be used to

10. Bill wishes he ....................... more money so he could buy a new bike.

A. has B. have C. had D. having

III. Give the correct word formation.

1. Every week, there are two ......................... from Ha Noi to Nha Trang. FLY

3. Graham hates queuing. He is very ............................. . PATIENT

IV. Supply the correct tense of the words in brackets.

1. There (be) ......................... 20 students in class 9A. They are learning English now .

2. When I (arrive) ..................... yesterday, he was watching TV.

3. They (live) .................... here since 2003.

4. A modern hospital should (build) .......................... in this town soon.

5. I (not hear).............. from my uncle for a long time.

V . Rewrite sentences, using "I wish ............... ''

1. I don't know many English words.

->I wish .............................................

2. My friend can not stay with me longer.

->I wish .....................................................

3. The teacher said to them, Don't make noise in class.''

-> The teacher told them ...................................................

4. They once started these machines by hand.

->They used to ..................................................

5. I asked Nga, ''Which book are you reading?''

->I asked .................................................................

6. ''Are you hungry? she asked me.

->She asked .............................................

VI. Read the passage and choose TRUE or FALSE statements.

A boy was riding a bike when he had an accident He fell off his bike and his head on the road. His head was hurt it was bleeding. However, he was still conscious. It was an emergency so people called an ambulance, in order to take him to hospital. Some people tried to stop the bleeding by using a handkerchief to cover the wound Then they put pressure on it and held tight. After ten minutes, the ambulance arrived and people took the victim to hospital.

1/ The boy had a bike accident ...............

2/ His left hand was broken ...............

3/ The boy was still unconscious ................

4/ People covered his wound with a thick bandage ...........

5/ The boy was taken to hospital after ten minutes ...............

1
8 tháng 11 2017

I. Choose the best answers.

1. I used to .................. money by delivering vegetables to the city.

A. earm B. get C. make D. A&C

2. It is wonderful ........................... the weekend in the countryside.

A. spend B. spending C. to spend D. spent

3. There is a meeting .......................... 9 a. m and 4 p. m on Sunday.

A. at B. between C. to D. on

4. Would you like ............................. now or shall we wait until the end?

A. go B. to go C. going D. went

5. When I entered the room, the baby ........................ quietly.

A. is sleeping B. was sleeping C. slept D. were sleeping

6. I hate .................... T.V, but like .............. books.

A. watch reading B. watching reading C, watching/readD. watch/read

7. You don't play computer games,........................... ?

A. do you B. don't you C. did you D. didn't you

8. He often does his homework ........................ the morning.

A. on B. at C. in D. for

9. Did he .................... live in the country when he was young?

A. use to B. used to C. get used to D. be used to

10. Bill wishes he ....................... more money so he could buy a new bike.

A. has B. have C. had D. having

III. Give the correct word formation.

1. Every week, there are two ..........flights............... from Ha Noi to Nha Trang. FLY

3. Graham hates queuing. He is very ................impatient............. .PATIENT

IV. Supply the correct tense of the words in brackets.

1. There (be) ............are............. 20 students in class 9A. They are learning English now .

2. When I (arrive) ...........arrived.......... yesterday, he was watching TV.

3. They (live) ..........have lived.......... here since 2003.

4. A modern hospital should (build) ................be built.......... in this town soon.

5. I (not hear).......haven't heard....... from my uncle for a long time.

V . Rewrite sentences, using "I wish ............... ''

1. I don't know many English words.

-> I wish I knew many English words.

2. My friend can not stay with me longer.

-> I wish my friend could stay with me longer.

3. The teacher said to them, Don't make noise in class.''

-> The teacher told them not to make noise in class.

4. They once started these machines by hand.

-> They used to start these machines by hand.

5. I asked Nga, ''Which book are you reading?''

-> I asked Nga which book she was reading.

6. ''Are you hungry? she asked me.

-> She asked me if I was hungry.

VI. Read the passage and choose TRUE or FALSE statements.

A boy was riding a bike when he had an accident He fell off his bike and his head on the road. His head was hurt it was bleeding. However, he was still conscious. It was an emergency so people called an ambulance, in order to take him to hospital. Some people tried to stop the bleeding by using a handkerchief to cover the wound Then they put pressure on it and held tight. After ten minutes, the ambulance arrived and people took the victim to hospital.

1/ The boy had a bike accident ........T.......

2/ His left hand was broken ........F.......

3/ The boy was still unconscious ........F........

4/ People covered his wound with a thick bandage ......F.....

5/ The boy was taken to hospital after ten minutes ........T.......

14 tháng 2 2020

47. She is always complaining about _____the children from school

A. collect B. to collect C. collecting D. being collected

1, Long is a very good swimmer.Long swims ……………………………………………………2, My brother cycles slowly.My brother is ……………………………………………………3, Mr. Cuong plays tennis very well.Mr. Cuong is ...…………………………………………………4, Mrs. Chi is a quick typist.Mrs. Chi types …………………………………………………5, Thoa sings smoothly.Thoa is...
Đọc tiếp

1, Long is a very good swimmer.

Long swims ……………………………………………………

2, My brother cycles slowly.

My brother is ……………………………………………………

3, Mr. Cuong plays tennis very well.

Mr. Cuong is ...…………………………………………………

4, Mrs. Chi is a quick typist.

Mrs. Chi types …………………………………………………

5, Thoa sings smoothly.

Thoa is …………………………………………………………

6, Miss. An is a fast runner.

Miss. An runs ……………………………………………………

7, Mr. Hung is a safe driver.

Mr. Hung drives …………………………………………………

8, Minh’s sister dances marvelously.

Minh’s sister is …………………………………………………

9, Mrs. Oanh cooks well.

Mrs. Oanh is ……………………………………………………

10, Khanh is a fluent English speaker.

Khanh speaks ……………………………………………………

2
4 tháng 9 2016

1, Long is a very good swimmer.

Long swims …very well…………………………………………………

2, My brother cycles slowly.

My brother is ……a slow cyclist. ………………………………………………

3, Mr. Cuong plays tennis very well.

Mr. Cuong is ...………a good tennis player…………………………………………

4, Mrs. Chi is a quick typist.

Mrs. Chi types …………quickly………………………………………

5, Thoa sings smoothly.

Thoa is …………a smooth singer. ………………………………………………

6, Miss. An is a fast runner.

Miss. An runs ……… fast.……………………………………………

7, Mr. Hung is a safe driver.

Mr. Hung drives ……………safely. ……………………………………

8, Minh’s sister dances marvelously.

Minh’s sister is ………… a marvelous dancer ………………………………………

9, Mrs. Oanh cooks well.

Mrs. Oanh is ………a good cook. ……………………………………………

10, Khanh is a fluent English speaker.

 

Khanh speaks …………English fluently. …………………………………………

 

4 tháng 9 2016

1, Long is a very good swimmer.

Long swims  very well

2, My brother cycles slowly.

My brother is  a slow cyclist

3, Mr. Cuong plays tennis very well.

Mr. Cuong is a good tennis player

4, Mrs. Chi is a quick typist.

Mrs. Chi types quickly

5, Thoa sings smoothly.

Thoa is a smooth singer

6, Miss. An is a fast runner.

Miss. An runs fast

7, Mr. Hung is a safe driver.

Mr. Hung drives safe

8, Minh’s sister dances marvelously.

Minh’s sister is a marvelous dancer

9, Mrs. Oanh cooks well.

Mrs. Oanh is a good cook

10, Khanh is a fluent English speaker.

Khanh speaks English fluently

I Choose the word which has the underlined part pronounced differently from the rest: 1. A. vacation B. restaurant C. lake D. information 2. A. grow B. open C. officer D, moment 3, A. send B. flew C. mend D. tent 4. A. head B. heavy C. weather D. hear II. Give the correct form of the words given in brackets. l. His parents are very ___________ of...
Đọc tiếp

I Choose the word which has the underlined part pronounced differently from the rest:

1. A. vacation B. restaurant C. lake D. information

2. A. grow B. open C. officer D, moment

3, A. send B. flew C. mend D. tent

4. A. head B. heavy C. weather D. hear

II. Give the correct form of the words given in brackets.

l. His parents are very ___________ of him. (PRIDE)

2. You look more __________ in your new dress. (BEAUTY)

3. The Internet is a very useful means of______________ in our life. (COMMUNICATE)

III. Circle the best option A, B, C or D to complete each sentence.

l. My uncle has smoked ________ 20 years.

A. since B. in C. at D. for

2. Where is Janet? She is out. She said she ____________ back soon.

A. is B. would be C. was D. will be

3. Although he is very old, he can walk to the station .

A. In spite of his old age B. Despite his old age

C. Despite the fact that he is old D. All are correct

4 What do people do for a ___________ in your hometown?

A. living B. live C lives D. life

5. My parents prefer tea ___________ coffee.

A. than B. more C. to D. rather

6. John is __________ on climbing mountains.

A fond B. interested C. keen D. pleased

7. Her farther used to abroad for his business.

A. travelling B. travelled C. travel D. is travelling

8. If I ___________ the bus this afternoon, I'll get a taxi instead.

A miss B. will miss C. missed D. had missed.

9. _________ he was late, he stopped to buy a sandwich.

A. Despite B. Although C. In spite of D. When

10. He went to work everyday___________he was very ill.

A. even though B. because C but D. in spite of

1
19 tháng 8 2017

1.B

2.C

3.B

4.D

5. proud

6. beautiful

7. communication

8. D

9.B

10.D

11.A

12.C

13.C

14.C

15.A

16.B

17.A

1. Quốc hoa của Việt Nam là gì?A. Hoa súng B. Hoa cúc C. Hoa anh đào D. Hoa hồ lô2. Vườn quốc gia Phong Nha - Kẻ Bàng có biệt danh gì? A. Vương quốc hang động B. Vùng đất của rồng C. Mộ thiên nhiên D. Vườn tự do 3. Món ăn nào ở Việt Nam được biết đến rộng rãi nhất đối với những người ngoài Việt Nam? A. Phở B. Bánh đa nhồi C. Mì D. Rau lên men 4. Lá cờ Việt Nam gồm ngôi sao vàng có năm điểm...
Đọc tiếp

1. Quốc hoa của Việt Nam là gì?

A. Hoa súng B. Hoa cúc C. Hoa anh đào D. Hoa hồ lô

2. Vườn quốc gia Phong Nha - Kẻ Bàng có biệt danh gì?

A. Vương quốc hang động B. Vùng đất của rồng C. Mộ thiên nhiên D. Vườn tự do 3.

Món ăn nào ở Việt Nam được biết đến rộng rãi nhất đối với những người ngoài Việt Nam?

A. Phở B. Bánh đa nhồi C. Mì D. Rau lên men

4. Lá cờ Việt Nam gồm ngôi sao vàng có năm điểm tượng trưng cho: công nhân, trí thức, thanh niên, bộ đội và làm nghề cụ thể nào?

A. Chính trị gia B. Nhà phát triển phần mềm C. Nông dân D. Nhà báo

5. Việt Nam là quốc gia đứng thứ hai thế giới về sản xuất ________.

A. Cà phê B. Cacao C. Muối D. Đậu nành

6. Việt Nam có bao nhiêu Di sản Thế giới được UNESCO công nhận? A. 7 B. 8 C. 9 D. 10

 
20
1 tháng 1 2022

hay quá. hỏi để biết đáp án để làm bài fun english 65 chứ gì. vậy không trung thực nha. xóa đi

1 tháng 1 2022

1 A

2 A

3 A

4 C

5 A

6 A

Vồng 1 đang diễn ra hiện có 25 bạn đã làm bài .Những bạn nào mà đã làm mà chưa có danh sách dưới đây báo lại Võ Đông Anh Tuấn nhaDưới đây là đề : Các bạn không được bình luận ở dưới mà gửi đáp án qua @Võ Đông Anh Tuấn nhéAi phạm luật bình luận ở dưới sẽ bị thầy @phynit khóa nick và laoij cuộc chơi1 : Music can ............. ideas , thoughts and feeling .A Play B express C talk D compose2...
Đọc tiếp

Vồng 1 đang diễn ra hiện có 25 bạn đã làm bài .

Những bạn nào mà đã làm mà chưa có danh sách dưới đây báo lại Võ Đông Anh Tuấn nha

Dưới đây là đề : 

Các bạn không được bình luận ở dưới mà gửi đáp án qua @Võ Đông Anh Tuấn nhé

Ai phạm luật bình luận ở dưới sẽ bị thầy @phynit khóa nick và laoij cuộc chơi

1 : Music can ............. ideas , thoughts and feeling .

A Play B express C talk D compose

2 ) I do not think Robert ......... the gold medal .

A is going to win B is winning C will win D will not win

3 ) There is .............. supermarket in our town .

A a B an C the D #

4 ) I went to the library , ............... last night .

A for studying B to study C studying D to studying

5 )I was very disappointed ......... his behavior .

A of B with C in D at

6 ) I still can't believe it ! my bicycle .......... last night .

A was stolen B was stealing C stolen D stole

7 ) I need to get a part - time jop ........ earn some money for my school expenses .

A for B so as to C in order D for to

8 ) Look at those black clouds . It ......... soon

A will rain B has rained C is going to rain D rains

9 ) I ........ you if I ............. the news

. A would tell - knew B tell - will know C would - know D tell - knew

10 ) I think you ............. apologize for behavior .

A should B ought C shall Dhave

11 ) "..............." - " Rock 'n' roll "

A What kind of musical instrument can you play ? B What kind of music do you like ? C Which is your ravorite music band ? D Who is playing the guitar ?

12 ) Scotland met Wals __in the final___ at Twickenham .

A ) at the end B in the closing match C in the last match D in the decisive match

13 ) Which do you prefer , action films ...... love story films

A with B or C than D to

14 ) " Would you like ................. lunch with us ? " - " Yes , I 'd love to "

15 ) A I still need to buy some souvenirs before we leave . B : ............ go shopping after dinner !

A How about B Shall we C Let's D wHY NOT

1 ) Lê Nguyên Hạo : 13/15

2 ) Silver bullet        : 13/15

3 ) Phương An       : 14/15

4 ) Hoàng Lê Bảo Ngọc : 15/15

5 ) Trần Việt Hà   : 14/15

6 ) @Đỗ Lê Tú Linh   : 10/15

7 ) @Nguyễn Ngọc Sáng : 11/15

8 ) @Hồ Thu Giang : 11/15

9 ) @Đinh Diễm Quỳnh : 9/15

10 ) @thế giới của tôi gọi tắt là NHT : 13/15

11 ) @Nguyễn Hải Dương : 8/15

12 ) @Cậu Bé Ngu Ngơ : 11/15

13 ) @Đường Hạc Bảo Quyên : 13/15

14 ) @Luchia : 14/15

15  ) @Princess Starwish : 13/15

16 ) Nguyễn Huy Tú : 8/15

17 ) @Vũ Thị Hồng Hân : 11/15

18 ) @Nguyen Quang Trung : 7/15

19 ) Tuấn Anh Phan Nguyễn : 13/15

20 ) @Lưu Lê Thanh Bình : 14/15

21 ) @hangdnhaczxcfvghjkl;lkjhgfds : 5/15

22 ) @TFBoy _ Lê Pương Thảo : 14/15

23 ) @Đức 6a2 : 10/15

24 ) @cao thu vo lam : 12/15

25 ) @Dora_Tora : 11/15

p/s : Mình sẽ chọn 40 bạn xuất xắc : bạn nào được 15/15 vòng 2 được + 1 điểm

33
27 tháng 9 2016

tớ có được vào vòng trong không

27 tháng 9 2016

không bk nữa