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英語 高校生

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What is the passage My first date with my girlfriend was a movie. I think we went to a movie called "Jackie" but to be honest, I am not entirely sure. There wasa very old and very cheap movie theater in the town that we both went to mainly about? A. Will's horrible first university in. I/ went to this movie theater with other girls sol am not sure why I stayed with my girlfriend for so long. The movie wasn't even very good. Nevertheless, we held hands in the movie and we are very happy together today. Something about that movie must have been the reason we are still together. I guess you should take your future partner to a cheap movie and you can be happy just like I am! date. B. Will's old girlfriends. - C.Will's advice based off of experience. |D.A bad movie. Wheneverl go to a restaurant in Japan, I always say, "おすすめは何ですか"./ can't read Japanese so I never mainly about? can understand what the menu says. My strategy usually works very well. I usually get the most delicious food at the restaurant and l don't have to worry about choosing what I want to eat. However, there was one time that my plan did not work. I was in a very small town which was close to Wakkanai. My girlfriend and I were very hungry and we saw a ramen restaurant where we could eat lunch. We went into the restaurant What is the passage A. Will's best food in Japan. B. Will's plan at restaurants in Japan. C.Will's love of sea snails. and l asked for the recommendation and the waitress said something in Japanese I couldn't understand. Without thinking, I said "はい". When my food arrived, I was very disappointed. I had said yes to miso ramen with sea snails in it. I love Japanese food, but I hate sea snails. My strategy did not work so well that day. D. Will's vacation to Wakkanai.

未解決 回答数: 1
数学 高校生

この問題の(3)です、問題自体は水平方向で力のつりあいで解けたのですが鉛直方向のつりあいはどうなってるんですか?

82 力学 00oo28 円運動 長さ1の軽くて細い糸の一端に質 量mの小球をつけ, 他端を点Aに固 定する。また,Aから鉛直下方 のところにある点Bに,細くて滑ら かなくぎが水平に固定してある。く ぎに垂直な面内で糸を張りながら小 球を持ち上げ,糸が鉛直線となす角 A あと す 1して、 F E d4B しるがし m ウ を 0=60° にして,小球を静かに放 す。重力加速度をgとする。 T 合 (2 ) 小球が最下点Cを通るときの速さ vo はいくらか。 き上 (2) 小球が点Cを通る直前での糸の張力 Ti はいくらか。また,点Cを 通った直後の糸の張力 T, はいくらか。 上がる前に 0(3) 小球が点Bと同じ高さの点Dを通るときの糸の張力 To はいくら るためには、 路面 (4) 小球が図の点Eに達したとき,糸がゆるんだ。ZEBD =aと 車& エ か。 して,sin a を求めよ。 (5) 糸がたるむことなく小球がBを中心とする円弧をえがいて運動し, Bの鉛直上方-1のところにある点Fに達するためには,はじめの 角0はいくら以上でなければならないか。その角度を 0。として. cos Oo を求めよ。 (筑波大+名古屋大) Level(1) Base 鉛直面内の円運動 ■力学的エネルギー保存則 ■遠心力を考えて。 半径方向での力のつり合い DT Point & Hint 50 士党 鉛直面内の円運動を解く鍵は右のよ うに2つある。 (2) 直前と直後では円運動の半径が -kに注音

解決済み 回答数: 1