小車(chē)速度隨時(shí)間變化的規(guī)律

2.1實(shí)驗(yàn)：

探究小車(chē)速度隨時(shí)間變化的規(guī)律

【學(xué)習(xí)目標(biāo)細(xì)解考綱】１．會(huì)運(yùn)用已學(xué)知識(shí)處理紙帶，求各點(diǎn)瞬時(shí)速度２．會(huì)用表格法處理數(shù)據(jù)，并合理猜想３．巧用v-t圖象處理數(shù)據(jù)，觀察規(guī)律【提出問(wèn)題】如何探究一個(gè)物體速度隨時(shí)間變化的規(guī)律？如何知道物體在不同時(shí)刻的速度？用什么儀器測(cè)？【跳實(shí)墳驗(yàn)谷】問(wèn)忌題抵一凡：打延點(diǎn)牙計(jì)現(xiàn)時(shí)毫器單結(jié)除構(gòu)暖如回何杠？問(wèn)倚題達(dá)二甜：用雙打還點(diǎn)釘計(jì)亦時(shí)反器裳測(cè)嘆小種車(chē)?guó)B的幟速派度劈燕所備需晌哪抓些出實(shí)協(xié)驗(yàn)揭器塔材舍、悼實(shí)穿驗(yàn)龜步梯驟緊？問(wèn)暢題匆三浩：本銷(xiāo)實(shí)飽驗(yàn)壘特寄別竹要支注木意鑒哪秧些經(jīng)事圖項(xiàng)常？步含驟：齡（剃１疤）匠把竿一匆端譜附吊有臂滑飽輪甚的創(chuàng)長(zhǎng)賢木歪板爸平倉(cāng)放再（厭一駐高允一束低雪可濕否獲？萬(wàn)）穗在剝實(shí)妻驗(yàn)慢桌銜上掠，拐并他使氣滑概輪塞伸禮出詢桌響面稅，賭把義打感點(diǎn)首計(jì)芒時(shí)緣瑞器掀固粗定簽在拼長(zhǎng)饒木毀板標(biāo)上腫遠(yuǎn)藍(lán)離雜滑梅輪漫的協(xié)一膽端降，緊連馳接鄰好啦電協(xié)路目?，F(xiàn)（致２貴）慢把患一燭條俱細(xì)秀繩護(hù)拴溫在紗小枯車(chē)丟上附，膜使要細(xì)倆繩壞跨踐過(guò)榆滑懸輪次，械下技邊合掛完上蹄合脅適進(jìn)的銹鉤黨碼奧，壤先裁接委通團(tuán)電沸源須，喘然殲后滑放壓開(kāi)疾小槍車(chē)服，罰讓贊小纖車(chē)段拖畢著略紙孔帶嫌運(yùn)返動(dòng)偵，成打溪完谷一攪條隸后娛立杏即風(fēng)關(guān)怕閉勵(lì)電鉤源欄。１冬．激固監(jiān)定現(xiàn)打撲點(diǎn)呆計(jì)逃時(shí)披器衡時(shí)湖應(yīng)督讓凡限消位疊孔嗓處細(xì)在蜻長(zhǎng)且木社板鴉的尖中違央與位舉置紫。2躲．膨滑隊(duì)輪聞不將能企過(guò)踐高煤。3狗．墻應(yīng)蟲(chóng)考校慮姿復(fù)掉寫(xiě)材紙指與裁紙補(bǔ)帶汽的沃位由置泊關(guān)擋系她。4精．瓣鉤賤碼捕數(shù)枯量亦不扣能甜過(guò)羞多帝，馳長(zhǎng)馬木醒板跟兩巾端慣高泡低宰相養(yǎng)差極不婆能納太瓜大濱。5渴．殺小脆車(chē)粱應(yīng)框由昆緊艇靠馬打兆點(diǎn)換計(jì)對(duì)時(shí)暴器詞處閱開(kāi)掘始為釋報(bào)放費(fèi)，斬在抬撞焰擊屑長(zhǎng)正木預(yù)板江末抬端搶前暑應(yīng)錄讓值小淹車(chē)關(guān)停銅止豪運(yùn)恨動(dòng)吉,階防蛾止倍小晚車(chē)蝕從屑板變上訊掉度下橫來(lái)這。6校．略先暮接員通晉電就源趁，蔽后岸讓崖紙激帶鋸運(yùn)蟲(chóng)動(dòng)悲。7域．逝打類點(diǎn)存結(jié)筍束正后嫌立商即戴關(guān)御閉界電銹源種。【乳處意理?yè)]數(shù)砍據(jù)拋】問(wèn)否題繼四延：胞怎炕樣揉分卻析愚和效選構(gòu)取著紙睡帶硬上處的牛點(diǎn)萌？開(kāi)舊頭聰過(guò)將于延密元集鋤的朽點(diǎn)思舍失掉汽，駱紙冶帶佛的喬一抹段盲；貼若魂紙諷帶岔上蜻點(diǎn)裂與拔點(diǎn)劃之掛間笑的剛距漫離湖較景小壇，筒可培取狼多且個(gè)排間也隔竭（愈可連5弟）敢為腦一蜓個(gè)業(yè)計(jì)盆數(shù)瓣間槍隔由時(shí)脈間翅（腳間仔隔史不列再沃是皺0征.偏0油2悟s興）羞（沉但業(yè)要淘看較具狼體帥情餓況爸靈晝活稼選醋定戴）合；任原獎(jiǎng)則刊上膀能候取等六蒜、幸七壇個(gè)咬計(jì)鴿數(shù)罷點(diǎn)貸為雅宜丹；疲給貢選峽取獲的處點(diǎn)加加奇標(biāo)悉記蘋(píng)。問(wèn)登題談五昌：秀如暖何封計(jì)候算味出拒所顏取輩點(diǎn)膽的權(quán)速斥度煙？用顧求階平炎均屋速家度瀉的蒼方松法屬來(lái)陵代顆替梅（弄用德計(jì)斃算豪較惡準(zhǔn)籃確袖的竟平虹均呢速璃度銹來(lái)徹代吧替途）付，仰如完何澆代觸替熄？御（尺選絞擇妥包造括弓該叢點(diǎn)咳在毛內(nèi)耐的插一姜段蔽位激移巨（剝?cè)撃更c(diǎn)犯最弟好播處故在輝中更間沃時(shí)較刻汽位波置植）畢Δ色x盈，光找牙出隨對(duì)貧應(yīng)嫁的中時(shí)袍間劈燕Δ箭t損，利用撓Δ糧x貞／燦Δ非t含作慮為視該今點(diǎn)迅的吵瞬縮慧時(shí)賤速匹度番）畝；弱對(duì)招于唉選紛取奮的楚兩障個(gè)脂端竿點(diǎn)優(yōu)的曬速執(zhí)度脊暫草時(shí)芒不擁計(jì)佩算如（具誤杰差吃較紋大旗）早；池測(cè)偏量協(xié)各嶺個(gè)新計(jì)另數(shù)迎點(diǎn)昌之嘆間敢的攀距拳離呼應(yīng)近考璃慮壺估辮位獄、雁單諷位冤?？蓪捯匀砼d示D、F及灶它禍們漁中噸間鐵任驗(yàn)意美一殖點(diǎn)長(zhǎng)的充瞬驚時(shí)罩速縣度問(wèn)必題醫(yī)六睡：遇如校何帖處坦理乳計(jì)軌算堂出眼來(lái)認(rèn)的芳數(shù)殼據(jù)爽？１瓶．季列賺表倒法宋。僵（洽注闊意兇列弊表錘要籃求鎮(zhèn)）２仁．趕圖恐象訂法咐：①圓根秘?fù)?jù)種所塞得隙數(shù)戒據(jù)具，停選浙擇萌合飼適顯的校標(biāo)科度芬建枕立蠅坐鑄標(biāo)學(xué)系裙（泊讓貪圖撇象松盡頁(yè)量逼分絹布免在鍵坐患標(biāo)悠系寸平燥面柿的農(nóng)大揚(yáng)部睜分虧面飾積忌）掏。②版描宋點(diǎn)潮：隸觀誦察勞和英思搜考哨點(diǎn)夕的藏分飾布挽規(guī)堅(jiān)律矛。③滋擬林合掩：生從檢點(diǎn)兄的雨分怠布退可哄以伍有敞很負(fù)大練把礦握毛地禾說(shuō)暮這刪些蹲點(diǎn)誓應(yīng)描該紀(jì)在妥一嬸條碎直篩線蘭上倦，雨用劑直距線頌擬再合應(yīng)，燈讓貧盡爆可率能豪多訓(xùn)的溜點(diǎn)書(shū)處證在嚼直警線字上失，若不熊在桐直陵線怖上醋的陰點(diǎn)伍應(yīng)協(xié)對(duì)宗稱坡地痛分岔布旱在竭直違線業(yè)兩巷側(cè)全。思坐考嚴(yán)：①績(jī)?yōu)槊⑹查l么躍要沫用榆直廟線構(gòu)擬岡合塞？②燈若亞某鮮個(gè)錘點(diǎn)牧明拼顯含偏蓄離紡直盆線墾，臭可槍能嶺是羨什披么哨原信因像及派怎敬樣陣處籍理循？③茅從叢圖繁上權(quán)可尼以押看綠出狼小霉車(chē)?yán)宓耐倭_度爺隨們時(shí)信間早怎瓜樣禁變帆化焰？問(wèn)帖題推七林：驅(qū)如希何哨根醫(yī)據(jù)輸速燦度始—曉時(shí)辦間險(xiǎn)圖肆象貞（莊v糊—蒼t松圖份象賢）枝求粉小躲車(chē)逮的墻加嘩速脈度亡和貌初蚊速催度悼？①雖取禾任拐意樂(lè)兩寇組翅數(shù)孩據(jù)完求右出極Δ假v初和六Δ蹲t露，彼然拿后摘代簡(jiǎn)入吩Δ制v漆／棍Δ新t臥求粘解狗。②門(mén)在如v悶—券t梢圖圓象溜上遮取柿一恰段貼時(shí)守間慮Δ史t甚（騎盡找量咸取窄大貸一殿些豪）互，括找盈出夢(mèng)兩鉤個(gè)趨時(shí)謀刻套對(duì)慕應(yīng)扯的越坐飯標(biāo)奧值盯求紀(jì)出宿Δ椒v庭，修代儉入叔Δ御v賣(mài)／同Δ叨t丑求唉解裕。哪茄一泄種順?lè)搅欧ㄚw更便好踩？望（貫畫(huà)忽圖控時(shí)懂讓含不擊在逼直雪線晉上慈的施點(diǎn)死盡盡可退能腹等淋量席地代分閃布丸在日直掠線隙兩高側(cè)超，拿就嘗是組為占了撇使擦偏足大對(duì)或航偏貴小京的甜誤享差方盡建可澤能乖地曲抵槐消飯，傭所斥以椅圖蝕象寇也良是尚減夜小趟誤野差婆的穿一文種觀手涼段烈，固也航就冤是