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Subject

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Mathematics Junior High

(2)が答えになりません。解き方がよく分かりません教えてください……ちなみに答えは2です

コ) 仕事 step B Step A ていこう 1 [仕事と仕事率] 次の実験について, あとの問いに答えなさい。 ただし,物体、滑車、 まさつ かり, 糸にはたらく摩擦力や空気の抵抗と, 滑車, ばねばかり、糸の重さ, および糸の (6点×3 みは考えないものとする。 〔実験1] 図1のように, 滑車とばねばかりを 〔図1] とりつけた重さ 2.4 Nの物体を床から10cm 離れた位置に静止させる。 この状態から,物 体を1cm/sの速さで真上に15cm 引き上げる。 〔実験2] 図2のように, 滑車をとりつけた重 さ2.4 Nの物体を, 滑車を動滑車として用いて 糸の片方の端にばねばかりをとりつけ, 床か ら10cm離れた位置に静止させる。 この状態 から,物体を一定の速さで真上に 15cm 引き 上げる。 し Step T う ī HALL 15cm 解答別冊 Î 10cm 〔2〕 糸 (1) 実験 1 動滑車 な数値を書 図1のよ 引き上げ (2) 実験 (i) まで,糸 (3) 実験 (i から実 につい 110cm (1) 実験1において, 物体を15cm 引き上げるの に必要な仕事は何Jか求めなさい。 また,実験1と実験2のように, 物体をある高さま 上げるのに必要な仕事の量は, 道具を使っても使わなくても変わらない。このことを何 か, ひらがな7字で書きなさい。 (2) 実験1と実験2で,物体を真上に 15cm 引き上げるときの仕事率が等しいとき, 実験 20 る, ばねばかりを引き上げる速さは何cm/sか求めなさい。 名称 (2) ら受 図2 力は (4) 図 15 か 3

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English Junior High

至急! 問1c、問4を教えてください。

6 次の英文は, ミカ (Mika) が書いた日記です。 これを読んで あとの各問いに答えなさい。 It was sunny and warm today. I went to Asahi Park with my family. The park has many *attractions. First, the gardens around the large lake are so beautiful. We can enjoy seeing many kinds of flowers. I liked the *roses the best. The park has a small animal farm, too. We could touch some of the animals and hold a baby *rabbit in our arms. It was so cute. We could ride a small horse there, but we (give) up riding because so many people were waiting. After we enjoyed the farm, we had lunch. There were no restaurants in the park, so we took our own food and drinks there. It was great! When I was ⑥ ( look) for a *garbage can, my mother 10 said, “ (to/garbage/we/take/ have/ our) home with us. Hereⓢ (be) some plastic bags. Put the garbage into one of them and carry it yourself." So, I did so. some There is also a museum in the park. On some holiday mornings, the museum holds special events for families. Today, we learned the way to make paper from plants. I couldn't do it well, but my father and sister ⓓ (make) some beautiful paper. We are going to ⓔ (write) some 5 15 letters on the paper. I got a little tired, but it was a wonderful day. I want to visit this park again soon. 〔注〕 attraction 魅力的なもの rose バラ rabbit ウサギ garbage can ごみ箱 問1⑩〜の()内の語を,必要があれば適する形になおして書きなさい。 (a) ⑥ lookina a give @makes 問2 下線部 ①が意味の通る正しい英文になるように,( )内の語を並べかえなさい。 Sunday, May 15 we have to take garbage...our... 問3 下線部②の例として挙げられているものをア~エから1つ選び,記号で答えなさい。 イバラの花の栽培方法を学ぶ。 ア 動物の飼育方法を学ぶ。 ウ 植物から紙を作る方法を学ぶ。 エ すてきな手紙の書き方を学ぶ。 問4 本文の内容と合うものをア~エから1つ選び, 記号で答えなさい。 ア Mika didn't ride a horse in Asahi Park. イ Asahi Park has a nice restaurant. ウ Mika found a garbage can near the museum. エ The museum in Asahi Park isn't open on Sunday. 5 ⓒ write home with us. 〔ウ〕

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English Junior High

本日、投稿し直します! 今日こそ、これを教えてくれる人、来て~!(ガチでへるぷみー)

【7】 次の英文の空所に入る適切な単語 (前置詞) を書きなさい。 Most of us are interested ( ) science. He is very good ( at ) speaking English. Suma is famous ( ) its beautiful beach. Wine is made ( The top of the mountain is covered He is looking forward ( We were much surprised ( I got a letter written ( Please take ( (1) (2) (3) (4) (5) 次は、 前置詞の穴埋め問題 ・・・ 覚えた連語や文法が役立ちます (6) (7) (8) (9) ) grapes. (10) The basket is full ( (11) They don't work ( (12) These shoes are too big ( (13) I can swim fastest ( (14) Tom read books about Japanese (15) I usually drink coffee ( (16) This desk is made ( (17) Ken is very fond ( (18) Yuki takes care ( (19) My mother was born ( (20) Don't be late ( (21) How ( (22) Arisa took part ( (23) It is difficult ( (24) Why were you absent ( ( (25) I have lived in Nagoya (26) His name was known ( (27) Thank you very much ( (28) Have you ever been ( (29) February is ( (30) Tuesday comes ( (31) ( ) seeing ) English. ) your shoes when you enter a house in Japan. ) beautiful flowers. ) Sundays. ) ) snow. you. ) the news. ) me. ) all the boys. history ( ) sugar. ) wood. ) listening to rock music. ) this cat. ) school. ) taking a walk around here ? ) morning till night. ) January 28th, 1975. ) the festival last year. me to get up early. ) school yesterday? ) a long time. I must finish this English homework ( ) everyone. ) inviting me to the party. ) Singapore ? ) January and March. ) Monday. ) next Monday.

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