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数学 中学生

(2の問題です グラフから速さを読み解く問題なのですが、速さが72cm/sになるのが何故かがよくわからないです。明日のテストの範囲なので、教えていただけたら嬉しいです🙇🏻‍♀️

FARNES KX-R-/HE/4/MARKER SPESIES WITT AGR ア 移 With 距 4901681 400713 台車- 離 (1) (4) 3 (6) O 記録タイマー 3 図1のように、斜面上で台車をはなしたときの台車の運動を,1秒間に60打点を記録する記録タイマーて プに記録した。 図2は、そのテープを6打点ごとに切って台紙にはったものである。 1回目 45cm/s 4点 月 4UCK 100 JON 日 2回目 (2) (5) (2) 図2 EKVK 時間 月 1秒間に移動した距離[7] □(1) 台車が斜面を下り始めてから 0.2秒後から 0.3秒後までの台車の平均の速さは何cm/sか。 □(2) 台車が斜面を下り始めてから0.3秒後から 0.5秒後までの台車の平均の速さは何cm/sか。 □(3) 各テープの頂点を結んだグラフPは,時間の経過にともなう何の変化を示すグラフとなっているか。 (4) 台車が斜面を下り始めてから0.2秒後までの移動距離は何cmか。 □(5) 台車が斜面を下り始めてからの時間と台車の移動距離との関係を表したグラフを、次から1つ選び、 えなさい。 100 時間 0.1 8.1 6.3 4.5 2.7 cm 0.9 E I 時間 ] に当てはまる語句を書き □ (6) 斜面上を下る台車にはたらく力と, 台車の運動について,次の文の[ 斜面上を下る台車には, 斜面方向に ① 大きさの力がはたらき続けている。よって, 台車は 3回目 ② 運動をする。 □(7) 斜面の角度が大きくなると, 台車にはたらく (6) の下線部の方向の力の大きさはどのように変化す 8 (7) とき, 台車の速さの変化の割合はどのようになるか。 □(9) 斜面の角度を90° にすると, 台車は何という運動をするか。 月 AM 100 時間 時間 [s] (3) (8.1+4.5)÷2=12,6

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数学 中学生

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Do you like dogss OU He dogs7 People ay tha dogs ae me oldew fiends orhumans Some 所 Te Vi People as Pets o tnlk about some Dogs we led by many peopls。 Now Tm gomg kinds of dogs w 「 Tes Working fordiabled peopkk。 They are not pes。 Toy are saiiance dogE 1p Japan。 there are three kinds of assistanee dogs。 They are gnide dogs。 service doB3 and Teng dogy Tody。 jn Japan。 more tan a momsand ssshtance dogs work for diabled PeoPIe To of thom are guide dogs。 The mumber of senrice dogs and hearing dogs is mot So large 人 OF Mey 1 2017。 here were onby abowe seveny senoe dogs mm Japan。 The number of hearing dogs was about he same. Guide dogs work for peopls who cannot see。 Guide dogs lead thc users when hy 8O 9 Herent places。 The dogs walk with the uscrs and gnuide them im a sefc way。 For Purposc。 guide dogs are ( A ) to go stmight along the road。 The users know hhe situaon j front of them thanks to the dogs、 and give dmectoons to the dogsy such as Wai FComer md “Sright go.” We can say that a gnide dog and the user work together to walk safely。 Service dogs work for people who cannot use their ams or legs ficcly。 Scrvice dogs do a Jot of things in daily lives for such people. For example。 they pick up things on the floor opcn. and close doors, and bring things from other places。 When something dangerous happens。 the dog can even run to some other people and ask thcm for hclp。 We can say that service dogs [で①語 Hearing dogs work for pcople who cannot hear。 Haring dogs can understand many kinds or sounds。 such as phones alanm clocksr cping babics nd so on。 The dogs 【 by /tel/ is heard / usi ig / thc users / their / what sound 】bodies: ER lece。 the dogs ouch the users and lead them to the place。 Hearing dogs can tcll many kinds of sonnds to the users and help them The law about assistance dogs says that they can go with the users imto many places Hike Testanrants, supenmarkets, and so on. So you have many chances to see thcm。 But you should amember one important thing about them。 Assiance dogs are not pets。 They are working 5r the users. so you must not talk to them or touch them。 OF course you must not give them ay food. Asshtance dogs md the usems respect eech othier ss Partnets。 When you meet an ssistance dog and te uscr in town。 just see what they dO。 TF they need some help。 lers ghve them a hand.

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数学 中学生

お願いします

Do you like dogss OU He dogs7 People ay tha dogs ae me oldew fiends orhumans Some 所 Te Vi People as Pets o tnlk about some Dogs we led by many peopls。 Now Tm gomg kinds of dogs w 「 Tes Working fordiabled peopkk。 They are not pes。 Toy are saiiance dogE 1p Japan。 there are three kinds of assistanee dogs。 They are gnide dogs。 service doB3 and Teng dogy Tody。 jn Japan。 more tan a momsand ssshtance dogs work for diabled PeoPIe To of thom are guide dogs。 The mumber of senrice dogs and hearing dogs is mot So large 人 OF Mey 1 2017。 here were onby abowe seveny senoe dogs mm Japan。 The number of hearing dogs was about he same. Guide dogs work for peopls who cannot see。 Guide dogs lead thc users when hy 8O 9 Herent places。 The dogs walk with the uscrs and gnuide them im a sefc way。 For Purposc。 guide dogs are ( A ) to go stmight along the road。 The users know hhe situaon j front of them thanks to the dogs、 and give dmectoons to the dogsy such as Wai FComer md “Sright go.” We can say that a gnide dog and the user work together to walk safely。 Service dogs work for people who cannot use their ams or legs ficcly。 Scrvice dogs do a Jot of things in daily lives for such people. For example。 they pick up things on the floor opcn. and close doors, and bring things from other places。 When something dangerous happens。 the dog can even run to some other people and ask thcm for hclp。 We can say that service dogs [で①語 Hearing dogs work for pcople who cannot hear。 Haring dogs can understand many kinds or sounds。 such as phones alanm clocksr cping babics nd so on。 The dogs 【 by /tel/ is heard / usi ig / thc users / their / what sound 】bodies: ER lece。 the dogs ouch the users and lead them to the place。 Hearing dogs can tcll many kinds of sonnds to the users and help them The law about assistance dogs says that they can go with the users imto many places Hike Testanrants, supenmarkets, and so on. So you have many chances to see thcm。 But you should amember one important thing about them。 Assiance dogs are not pets。 They are working 5r the users. so you must not talk to them or touch them。 OF course you must not give them ay food. Asshtance dogs md the usems respect eech othier ss Partnets。 When you meet an ssistance dog and te uscr in town。 just see what they dO。 TF they need some help。 lers ghve them a hand.

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