Con lắc lò xo gồm vật nặng m treo theo phương thẳng đứng. Trong quá trình dao động, khoảng cách giữa điểm cao nhất và điểm thấp nhất mà vật đi qua là 12 cm, tại VTCB lò xo dãn 4 cm. Lấy g = = 10 m/s2. Tốc độ cực đại của vật là

Lm hộ mik với mn ơi này nộp rồi

Giải thích ra giúp mình nhá. Giúp mình vs ạ. Mình đang gấp lắm. Mình hứa sẽ tim và vote 5* đầy đủ ạ. Ctlhn cho bạn nào nhanh nhất ạ

Giải dùm mình với mình đang cần gấp

III. Choose either the simple present or present progressive to complete each of the following sentences. 51. What sort of work do you do/ are you going? 52. I can’t talk now. I cook/ I’m cooking the dinner. 53. What shall we have? Do you like/ Are you liking fish? 54. Can I borrow this laptop? Or do you use/ are you using it? 55. What do the people here do/ are the people here doing in the evenings ? 56. Follow that bus. Then you turn/ are turning left. 57. A lot of people think that the Sun goes/ is going around the Earth. 58. Excuse me, do you read/ are you reading your newspaper? Could I borrow it? 59. Do you wait/ Are you waiting for the bus to Newcastle? 60. Andy builds/ is building his own house in country. 61. John (hates / is hating) smoking. 62. They are (swimming / swim) right now. 63. Mary (doesn’t seem / is seeming) happy at the moment. 64. I (have / am having) one sister. 65. Lan (is always getting up / always gets up) at 6 a.m. 66. This soup is great. It (is tasting / tastes) really good. 67. I (believe / am believing) you. 68.You look serious. What (are you thinking about / do you think about)? 69. (Do you enjoy / Are you enjoying) music? 70. Let’s go out. It (doesn’t rain / isn’t raining) now

Giải giúp em Bài 1 chi tiết với ạ!!!

giải giùm mình helppppppppppppppppppp

Làm cho mik câu c, d, e, f nha mn. Thk u so much~

Lập dàn ý cho đề bài sau: Trong 1 xé tủ, 1 quyển sách bị bỏ quên gặp 1 bài kiểm tra điểm kém. Chúng tâm sự với nhau và phàn nàn về chủ nhân của chúng, 1 cậu học trò. Mong mọi người giúp mình

20. Tonight we (not/ go)........... to our teacher's wedding party. 21. There’s nobody here, and the door’s locked. What (we do) .................. now? 22. What (you look) ......................... at ? (I wear) ............................ the wrong clothes? 23. I (look after) .......................... Jack’s dog this weekend. (you want).......................... to take it for a walk? 24. Who (drive) ..................... the Mercedes that’s parkes outside? 25. I (still have) ...................... a pain in my leg but it (get) ...................... better. 26. Who (Sue dance) ........................... with? That’s not hẻ brother, is it? 27. Harry always (look) ..................... untidy! And today he (wear) ................ dirty jeans. 28. I (write) ..................... in reply to your advertisement in the Daily New. 29. That plant I bought (not grow) .......................... very much. And I (water) ....................... it every day. 30. Which hotel (you stay)................................. at when you (come) .............. here? 31. Where's John? He .......................... listen) to a new CD in his room. 32. Don't forget to take your umbrella with you to London. You know it always .......................... (rain) in England. 33. Jean .......................... (work) hard all day but she .......................... (not work) at the moment. 34. Look! That boy .......................... (run) after the bus. He .....................(want) to catch it. 35. He .............. (speak) German so well because he ....................... (come) from Germany. 36. Shh! The boss .......................... (come). We .......................... (meet) him in an hour and nothing is ready! 37. .............you usually..........................go) away for Christmas or …….you (stay) ……… at home? 38. She ………..hold) some roses. They …………(smell) lovely. 39. Oh no! Look! It ……..(snow) again. It always …………(snow) in this country. 40. Mary………… (swim) very well, but she …………..(not run) very fast. 41. ……….you ……….(enjoy) this party? Yes, I …………..(have) a great time! 42. Sorry I can't help you. I …………. (not know) where she keeps her files. 43. What …………you…………..(do) next Saturday? Nothing special. I ……….. (stay) at home. 44. I ……….(think) your new hat …………(look) nice on you. 45. I ………..(live) with my parents but right now I ………..(stay) with some friends for a few days. 46. I can't talk on the phone now. I ………(drive) home. 47. Where are the children? They ………..(lie) on the beach over there. 48. You never ……….(listen) to a word I say! You ………..always ……….(listen) to that mp3 player! 49. He …………..(not understand) what you …………….. (talk) about. He's a foreigner. 50. How much ………. (your suitcase weigh) …………? It ………….(look) really heavy