この問題は、3.5m/sであっていますか？

どのように表されるだろうか。 速度の合成の式を導こう単位時間あたり,船は静水を v; ×1〔m〕進み,川の水は×1 [m] 進む。そのため, 岸で静止する人には,船が単位時間あたり (+2)×1 [m〕進むように見える (図)。これから,合成速度は, v=v+v と表される。すなわち, 合成速度では,速度 ひとを2辺とする平行四辺形の対角線として求めら れる。これを,平行四辺形の法則という(p.21, 286)。 law of parallelogram v=v₁+v₂ ･･･ (5) 流れの速度 20 第1章 運動とエネルギー 図13平面上の速度の合成 船は船首をvと平行な向きに がら, v2の向きに進む。 問9 静水の場合に速さ 2.0m/sで進む船が, 流れの速さ 1.5m/s の川を, 船首を流れに直角に向け て渡る。このとき, 岸で静止する人が見た船の速さは何m/sか。 (2.5m 3.5m/s 2 2 1.5 V

37番(2)について P(B)の求め方について質問です。 自分の解答は反復試行の考え方を用いて解きましたが間違えました。 おそらく(a,b)＝(5,5)が二つできてしまうため、間違いなんだと思います。 なぜ、反復試行で解いてはいけないのか教えてほしいです。

省 37 次の各問に答えよ. Q(1) 硬貨 2枚を同時に投げたとき, 少なくとも1枚が表である確率を求めよ. また,1枚が表であるときもう1枚が表である条件つき確率を求めよ.) PARAP1 (2) サイコロを2個投げて、出た目を X,Y (X≦Y) とする.このとき,X=1 である事象を A, Y=5である事象をBとする. 確率P(A∩B),条件つき 確率 PB(A)をそれぞれ求めよ. ARA pae=

コミュ英 ランドマークのレッスン3の問いです。 よろしければ答えていただけると幸いです。

Step 2 Comprehension Questions Paragraph 5 (5) Have you ever wondered why, among the world's large mammals, kangaroos alone hop? It turns out that hopping is the most efficient way of getting around at medium speeds. The energy of the bounce is stored in the tendons of the legs, and the intestines bounce up and down like a piston, emptying and filling the lungs without needing to activate the chest muscles. When you travel long distances to find a little feed, such efficiency is a must. Have you also wondered why koalas sleep for a long time? This is basically for economical reasons. With their eyes shut for about 16-20 hours a day, they can save energy as sleep requires very little energy. 1. Why do kangaroos hop? 2. Why is hopping the most efficient way of getting around at medium speeds? 3. Why do koalas sleep for a long time? Paragraph 6 (6) If you are visiting Australia for a short time, you don't have to go far to experience some of the richness of the environment. Even places like Sydney have preserved extraordinary fragments of their original environment that are relatively easy to access. It is worthwhile understanding the basics about how nature operates in Australia. This is important because there's nowhere like Australia. Once you get to know about its origins and natural rhythms, you will appreciate the place so much more. - 1. If you are visiting Australia for a short time, how far would you have to go to experience some of the richness of the environment? 2. Why is it important to understand the basics about how nature operates in Australia? 3. What will you appreciate so much more once you get to know about Australia's origins and natural rhythms?

(2.5.7)の訳し方がわかりません。 2 私たちの少ない時間を測定することに成功し宇宙の偉大な神秘を思い出させられた。 5 時間と変化は漏れた（リンクは結ぶとも訳せるのですか？） 7 私たちはある日、暗と光とそれぞれ名付けた としか訳せません

2 次の英文を読んで、以下の問いに答えなさい。 If you can read a clock, you can know the time of day. But (n)(knows/time itself / what is / no one / .) We cannot see it. We cannot touch it. We cannot hear it. We Ense tiniest parts of time, time remains one of the great mysteries of the universe. know it only by the way we mark its passing. (2)For all our success in measuring the 測定 One way of thinking about time is to imagine a World without time. There could be no movement, because time and movement cannot (3)(separate). A world without time could exist only (4)as long as there were no changes. (5)For time and change are linked. When something changes, you know time has passed. In the real world, changes never stop. Some changes happen only once in a while, like an eclipse of the moon. (A) 日 happen repeatedly, like the rising and setting of the Sun. People have always noted natural events that repeat themselves. When people began to count some events, they began to measure time. 彼ら自身 In early human history, the only changes that seemed (6)(repeat) themselves evenly were the movements of objects in the sky. The most easily seen result of these movements was the difference (B) light and darkness. The sun rose in the eastern sky, producing (C). It moved overhead and sank in the

Reading Advantages3 です。 穴埋めが分からないので教えてください。

ble? a. president b. cleaner B. Complete the paragraph with items from the box. Two items are extra. actually commented expected made the headlines media neighboring potentially riddle significant spectacularly visible worship shapes (3) in the local (4) "This stone is for people who celebrate with fire." Archaeologists in England thought they had made an amazing discovery in July 2003, when tourists on a beach found ancient carvings on a large block of stone. The archaeologists believed that the discovery of the stone, which had been imported from Norway in the 1980s and used to make a wall, was (1). The carvings of two snakes, a dragon, and other Experts translated the stone to say, very (2) However, two months later, the archaeologists were surprised when the (5) of the carvings was solved by a fifty-year-old local builder, Barry Luxton. The man, who had seen a photograph in a newspaper, told them that he was (6) the one who had made the shapes - in 1995! Luxton said that over a period of three days he had made the carvings for a celebration on a (7) beach that was going to be held by a group of druids people who nature. However, the block did not end up being moved to the other beach and (8) was eventually covered by sand. Recent bad weather blew the sand away, making the carvings (9) again. Luxton was surprised; he really never (10) that his work would become so famous. Review 1 - 5 25

線を引いている部分って分詞構文であっていますか？

wú:nd] Sul] Tip] ss Unert] áik] in] Ⓡ utest] 5 When America entered World War II, many people were wounded and needed blood transfusions. Charles Drew suggested sending plasma instead of whole blood. He started collecting blood, separating the plasma, and shipping it safely to injured people. He then became the first director of the blood bank of the American Red Cross.id bor szil) ellos bilo?di 6 Although his work saved thousands of lives, the By usin Drew set proved th of your s

LANDMARK3のlesson2の5段落の所までの強調構文を教えて欲しいです。お願いします🙏

Revised 文部科学省検定済教科書 高等学校外国語科用 61 啓林館 コ LANDMARK English III Communication

英語 高３ 見ずらくてすみません💦 この青丸のthis はなにを指してるんですか？ becoming docterかと思いましたが違いますよね？

(1) Charles Drew was born in Washington, D.C., in 1904. When Drew was fifteen, his sister died of tuberculosis. (As he watched [her condition get worse, Drew wished he could do ~につれて something to help. It was then that he first thought about the possibility of becoming a doctor. 最初に思いついた at 可能性 7 that time 47 (2) There was only one problem with this idea: Drew was an African-American. In those days, 当時 much of American society was segregated, or separated, on racial lines: black people and white becoming a docter 1種の境界線

英語 高３ 字がへた＆見ずらくてすみません💦 1枚目▶︎青丸のitは何を指すの？ 2枚目▶︎青丸のoneは何を指す？ 青線のrightはここではどんな意味？ 最後のraciat practiceの訳は？ 3枚目▶︎... 続きを読む

(5) When America entered World War II, many people were wounded and needed blood transfusions. Charles Drew suggested sending plasma instead of whole blood. He started 全血 collecting blood, separating the plasma, and shipping safely to injured people. He then became the first director of the blood bank of the American Red Cross.

教えて下さい

4 次の英文の( )内の語を適当な形に変えて,空所に入れなさい. 1. John F. Kennedy in a parade in 1963. (kill) 2. 3. 4. 5. Those books on the shelf A lot of teachers and students Old clothes The door to me by my uncle. (give) to the party yesterday. (invite) at that recycling store. Let's go there. (sell) old clothes yesterday. We have to repair it by tomorrow. (break)