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英語 中学生

英語の長文問題で、自分の回答が模範解答と少し違かったので質問したいです。自分の回答は合っている答え方ですか。

次の英文は,中学生の浩 (Hiroshi) , 高校生の直人 (Naoto) とサイクリング (cycling)に出か *** 53 けたときのことを書いたものです。 あとの (1)~(6) の問いに答えなさい。 Naoto is a high school student and lives near my house. I like him and call him Nao-san. He loves road bikes and cycling. do One day last September, I asked Nao-san to go cycling together. He smiled and said, "OK. Next Saturday, I'm going to go to the lake on the road bike 5 mountain by bike. It's a very beautiful place. Have you ever (be) there before?" "No," I answered. "Then you should go with me. Do you wwolf, the you biaya ush.caufis ou I bas zbramvinkamue ain't have a road bike?" "No, Nao-san. My bike isn't a road bike." He said, “I will use my father's road bike, so you can use mine. Let's enjoy cycling together." TH T Saturday came. "Hiroshi, first, we're going to go through the town. Let's go." Nao-san and I started our trip. 10 About an hour later, we went out of the town and took our first rest. I said, “Your road bike is very nice. I can ym a lenti go fast on your bike. It's not so hard.” He answered, “That's good. It was (A) to go through the town. But from now it will be (B) to go up the mountain. We should take two or three rests before getting to the lake." I said, "I'll be fine when we go up the mountain, so I won't need any rests." UGLER TTS Nao-san and I started to go up the mountain. Cycling with him) started to become harder. I really wanted to 15 rest, but I couldn't say it to Nao-san, so we didn't stop. About two hours later, we could see the lake at last. He said, "We'll get to the lake soon." Suddenly, my legs couldn't move because I became so tired, and I fell over. at last. He "Are you OK?" Nao-san asked. "Yes, but I made a big scratch on your road bike. I'm sorry, Nao-san.” “Don't worry about it." Then, we took a long rest. After that, we walked to the lake with our bikes. suddenly clear blue sky 青く澄んだ空 When Nao-san and I came to the lake, I was very tired and couldn't say anything. He 2 (begin) to talk. "You 20 did very well." "No, I didn't." "Listen to me, Hiroshi. When we start something, sometimes we can't do it well at first. Then what should we do?" I didn't say anything. I was just looking at his road bike. There were many old scratches around the big new one. They were not all made at one time. "I understand!" The scratches taught me the answer. "Try it many times. Then we can do it well!" "That's right," Nao-san said with a smile. "Can I go cycling with you again?" I asked. "Sure. Let's go back home now." We started to go back home under the clear blue sky. Elake きゅうけい rest 休憩、休憩する at last ついに,ようやく fell over: fall over (転ぶ) の過去形 scratch leg (s) [静岡]

解決済み 回答数: 2
物理 高校生

なぜ、約分をするのか教えていただきたいです

立x P.20 4 落体の運動 類題 9 自由落下 (p.22) ビルの屋上で小球から静かに手をはなした。 手をはなしてから 2.0s後に 小球は地表に達した。ただし、空気抵抗は無視できるものとし,重力加速度 の大きさを9.8m/s² とする。 (1) 地表に達したときの小球の速さを求めよ。 (2) 地表からビルの屋上までの高さを求めよ。 解答 (1) 20m/s (2)20m 自由落下の基本プロセス プロセス 0 鉛直下向き を正とする y (m) リード文check ①大きさが無視できる球。 ただし、質量はあるとする ・初速度を与えなかった。 v = 0 Process v=0m/s Ov (m/s) V プロセス 1 プロセス 2 プロセス 3 解説 #42 Små.88 1) プロセス 正の向きを定め, 文字式で表す 鉛直下向きを正とし, t = 2.0s 後における速度 を 〔m/s] とする。 プロセス 2 自由落下の式を適用する 自由落下の式 「v=gt」より v=gti プロセス 3 数値を代入する ひ=9.8×2.0 20 d=19.6[m/s] 答 20 m/sA 速さなので 向きはかかない 屋上 正の向きを定め、文字式で表す 自由落下の式を適用する 数値を代入する 2 (2) 1 = 2.0s後における変位をy 〔m〕 Kata 自由落下の式「y=1/29t2」より 3 地表 y₁ = Vi gt₁² 2 =1/12×9.8×2.0)2 20 = 19.6 (m) の大 求める 答 20m

解決済み 回答数: 1