Kết quả tìm kiếm

1 con lắc dao động điều hòa với biên độ góc α0 =0,1 rad tại một nơi có g=10m/s2. Tại thời điểm ban đầu vật đi qua vị trí có li độ dài s= 8√3 với vận tốc v=20cm/s. Chiều dài dây treo vật là?

1.MR. Brown is dependent ... his son Richard ... his support 2.I offered him money ... the use of the bike, but ... my surprise, he refuse 3.In this shop, payments can be made .... cheque or .... cash 4 .... the moment, the police are looking ... the bank robbery

một con lắc lò xo nằm ngang, khi vật nặng đi từ vị trí biên về vị trí cân bằng thì A. động năng tăng, thế năng giảm,cơ năng k đổi B.động năng và thế năng đều giảm C. động năng tăng, cơ năng tăng D, thế năng giảm, cơ năng giảm

c ơi c2 có giải thích đc k?

1. trong dao động điều hòa của con lắc lò xo, vận tốc và li độ biến thiên điều hòa, cùng tần số nhưng lệch pha nhau một góc: A. pi/3 B.pi/2 C.pi D.pi/4 2.khi con lắc lò xo dao động điều hòa, những đại lượng dao động điều hòa cùng tần số là A.li độ, thế năng, động năng B.li độ, vận...

I might be letting my young son watch too much television. I am certainly watching too many of his programs. They can really be perplexing as they force you to ponder the mysteries of life. For example, when Franklin (the turtle) wanted a pet, his parents didn’t want it to be a frog. They felt...

It was a cold morning and a solf breeze (51) .............. in the air. We left the cottage by 8 a.m, after (52) ............... the most beautiful place in England at the early winter. The grass (53) ............... wet and we could smell the fresh air in the morning. As we (54) ...

1. I have been looking for my keys. Did you see them anywhere? 2.I met your old english teacher while I walked down the street

c3 have u hợp hơn c nhỉ?

1. Once it stopped raining, we ... the game again ( were starting/start/started/have started) 2.Joe ... his exam ! He ... 87% (has passed .. got/ passed ... got / is passing ... has got/ was passing ...has got) 3.It's nice picture. ...it yourself? (Have you painted/ did you paint/were you...

cậu giải thích hột vs

1.the twins are almost identical in ... ( looking/appearance/body/physical)

1.John is always the first that can answer difficult question raise by our teacher 2.the 22nd sea games was a successful sporting event that all attendees will never forget\ 3.he was the one whom whole life was devoted to poor people's health care

- I ... , an ordinary school. Harry potter goes to a school for a magic (go/attend/come/take part) - the best athletes will have the ... to take part in Olympic games (way/method/condition/opportunity)

1. Kết quả của kì thi THPT Quốc Gia sắp tới phụ thuộc rất nhiều cào ý thức tự giác của học sinh 2. Qua bài báo của Hữu Thọ nói lên thực trạng lạm dụng tiếng nước ngoài của người Việt Nam chúng ta

1. My mother is a .... deal older than my aunt 2. My parents were always happier ... stay at home in the summer than go away 3.I get ...more pocket money than my little brother 4. the louder my brother shouted, the ... angry my granny got

2. If they had asked, I would have had to tell them A.I would have had to tell them had they asked B..I would have had to tell them would they have asked C.Did they ask, I would have had to tell them D.Would I have had to tell them if they had asked đảo ngữ đk ở vế sau dc hả c?

1.she is not only beautiful but also can study very well A.Not only she is beautiful but can she also study very well B.Not only is she beautiful but she can also study very well C.Not only beautiful she is but also can she study very well D.Not only beautiful is she but she also can study very...

-the boy was given a prize for regular .... (attend) -He was just the man who ... the radio (invent)

bạn giải thích c1 vs c3 hộ mình vs