Grade

Type of questions

Physics Senior High

この問題の(4)なんですが力学的エネルギー保存則を用いて解いていますが、自分は放物運動の鉛直方向の考えを利用して解きました。 質問がそもそも自分の考え方でこの問題が解けるのか、 解ける場合何が間違っているのかを教えて欲しいです。

出題パターン 19 力学的エネルギーの保存 図のようになめらかな水平面となめらかな斜面を接続し,左端の壁に質量 の無視できるばねを固定する。 質量mの小球Aをばねに押しつけて aだ け縮めて静かに放すと, 小球Aはばねが自然長になったところでばねから 離れ,そのまま床の上を進み,B点を通過して斜面をすべり上がり,斜面を 飛び出して最高点まで上がり、床に向かって落ちた。2009 140 重力加速度の大きさをg, ばね定数をk, 斜面の端C点の高さをん,斜面 の傾きを45°とし、空気の抵抗は無視できるものとする。 工学 A NES mo NOS- B C h L ** 45° (1) 小球A がばねから離れたときの速さvo を求めよ。 (2) 小球AがC点に達したときの速さをvo を用いて表せ。 0 (E) N (3) 小球 A が斜面をすべり上がって C点を飛び出すための a の最小値を求 めよ。 NPMS (4) 小球AがC点を離れ, 最高点に達したときの高さLをv を用いて表 RA[/² EXI せ。 平 SI-A リビ団子 ちも大公平木りおち私の息

Unresolved Answers: 2
English Junior High

英検の過去問なんですが、答えが見つからない ので答えを教えてほしいです

(2) (1) A: Mom, I met a ( B: That's great. 1 famous (5) (6) 1 (18) Grade 4 (8) 2 次の (1) から (15) まで ( に入れるのに最も適切なものを 1,2,3,4の中から一つ選び、その番号のマーク欄をぬりつぶしなさい。 (3) A: When did the Sylvia Hotel open? B: In 1913. It's over a hundred years ( 1 many 2 quiet (4) A: Everyone is here, so we can ( B: OK. 1 visit Mary ( 1 misses day. (7) A: Your ( Ted made some friends at his new school, so he was ( thin 1 2 slow 3 glad Peter became a ( 1 member B: Thank you. 1 question Grade 4 2 next ) soccer player on the train today. 2 start 3 hard 2 bench ) to get a bird for her birthday. 2 picks 3 hopes 1 That's my dream. 3 I'll watch you. 1 Have fun. 3 Not yet. 3 tall 1 Did you make them? 3 Is it finished? Daughter: I will. 1 I'm hungry. 3 stay at home. 3 carry ) of the swimming club. ) is so beautiful! I love seeing the flowers in spring. 2 holiday 3 sound 2 ) the movie now. 3 salad 3 moved (17) Father: How was your band practice today? Son: ( ) We learned a new song. 1 I have a ticket. 3 You're right. I ( ) a bad cold today, so I couldn't have lunch with my grandmother. I was really sad. 1 kept 2 had Mother: Would you like a cupcake? Daughter: Yes, please. ( ) Mother: No, they were on sale at the supermarket. 4 thick (19) Girl: Thanks for studying with me today. Boy: ( ) I enjoyed it. 次の (16) から (20) までの会話について ( に入れるのに最も 適切なものを 1,2,3,4の中から一つ選び、その番号のマーク欄をぬりつ ぶしなさい。 (16) Girl: I love playing the piano. Boy: Do you want to be a professional pianist in the future? Girl: Yes. ( ) 4 old lazy 4 drop 2 After math. 4 No problem. (20) Daughter: Dad, shall I cut the vegetables for the salad? Father: Yes, please, but ( 4 follows He swims every 2 It's my guitar. 4 You can have one. 2 it's a fruit. 4 be careful. 4 towel 4 garden 2 It was fun. 4 It was on the radio. 4 rode 2 Will they be ready? 4 Are you late? (9) (12) Grade 4 (13) A: What can you cook? B: I like to make food from different countries. ( Italian food and Chinese food. 1 For 2 To (10) A: Did you meet the new English teacher? B: Yes, he comes ( 1 until 2 (11) A: What ( (14) 3 ) of dog do you want? B: I want a big dog because I love to go on long walks. 1 room 2 wind 3 kind (22) (15) A: Excuse me. ( B: That one is $10. 1 Where (23) After school, Chris enjoys ( listen to her funny stories. 1 talking 2 opening (24) 4級 354. 34 $18,73 Today, it will snow much ( and I will make a big snowman. 1 harder 2 hard (25) (21) 新しいくつを買ってはどうですか。 1 arplad I love riding my bike to the park, but my sister ( likes to stay at home. 1 haven't 2 doesn't Brush breakfast. 1 ) South Africa. He loves rugby. along 3 This is 10 みが 朝食を食べたら歯を磨きなさい。 (after 2 your 3 you 2番目 1 2 Why (4) 2 ( you buy 3 why 4 new shoes 2番目 4番目 1 2 5 My brother tomorrow. ) much is this T-shirt? 3 2 3 As スープをもっともらえますか。 have ( soup can 2 2 Grade 4 LI 856 次の (21) から (25) までの日本文の意味を表すように ①から⑤までを並べ の中に入れなさい。 そして、2番目と4番目にくるものの かえて 最も適切な組合せを1,2,3,4の中から一つ選び、その番号のマークを ぬりつぶしなさい。 ※ただし, ( の中では、夏のはじめにくる語も 小文字になっています。 2番目 2 over W 4 from 2番目 3 holding BEL はじ これは私の初めてのシンガポール旅行です。 (Singapore 2 my first 4 to ) with his teacher. 3 don't 2② 3 hardest 3 When ) than yesterday. 3 4 eat 5 teeth) 3 4 In 4 3 4 side ) example, (3) some more 3 (5 3 4 asking 5 trip) 5 don't) He likes to 4 isn't (4) (write 2 to 3 by 4 has 5 a report) 2番目 2 4番目 わたし あに あす 私の兄は明日までに, レポートを書かなければいけません。 4 too hard ). 4 How (51) My brother She 4 4番目 ⑤5⑤ - (3) (3) please? 4 3-0

Unresolved Answers: 1
English Senior High

(3)(4)(7)(10)が分かりません 答えと文法的なポイントがあったらお願いします

LESSON 1 (1) You should ( 4 Choose the best answer to fill in the blanks. (810 .83 ) or he might get lung cancer. get him stopped smoking have him stopped smoking (2) The more money he had, the ( 2 greater ℗ great (3) When I was in high school, I ( have belonged belonged (6) "That's not your car." "My car ( is being (2) wants A knowledge of science is ( 1 at 2 for (8) I wish ( Date: ℗ having (4) I prefer playing baseball ( ) it. to watching 2 to watch than 3 for watching (5) He just left home a minute ago, so he ( 1 cannot go 3 must be gone (11) You ( /32 2 get him to stop smoking 4 have him to stop smoking ) care he had to take of security. 4 most greatest 3 more greater aren't able to 3 aren't going to ) to the badminton club. 3 was belonging belong (12) India has the second large 2 largest ) far. 2 cannot have gone 4 must go (9) His name is known ( ) everybody in this group. 2 with 3 for 1 as (10) Bessie likes jazz dance very much, and ( ). Bill does 2 so Bill does 3 so does Bill ) enough money to buy the computer game. 3 I had 2 having had 4 watch ) repaired, so I borrowed my brother's car." 3 needs 4 is under ) great use to everyone. 3 of 4 with population in the world. (3) many ) help me if you don't have time. I can do the job myself. 2 don't have to 4 should to 4 I will have 4 to 4 Bill does so 4 numerous (13) Jack and Bill will meet me on Wednesday and Thursday ( ). 1 respectably 2 respectively 3 irrespectively #w それぞれ 4 likely MAR 2 (1) (崇城大改) (2 (近畿大 (3 (南山大 (大阪学院大 (共立女子 (京都文教 (神奈川工 (千葉工 (#

Resolved Answers: 2