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(九套试卷合集)2020年桂林市名校物理八年??期末经典模拟试题 - 百度文库

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˵ݽԤݿܲȫҪĵҪݣwordʹáword΢ź:xxxxxxxQQxxxxxx ܸṩĵл֧½⡣

14ۻвȣ¶_______ѡߡ򡰲䡱˵_______ѡ塱򡰷Ǿ塱

15ҽΪﲡ____________򡰴ϢĵԻߵͨƤܴ͵ҽĶ䣬_____________ȡ

16˲еٶȴԼ1.2m/sʾ_____ijͬѧҾѧУ900mԴٶȴӼҲѧУҪʱ_____sԸͬѧϱŵΪ_____˶򡰾ֹġ

17һ5mѱ0.910kg/m

1ȫۻˮ󣨲Ӱ죩Ƕ٣ 2mˮȫɱ󣬱ˮ֮Ƕ٣

18ͬʱͬһص O ͬһƽֱ·˶ B 㣬˶·̺ʱͼͼʾ

3

3

3

1ǰ 10s ڣ˭˶ø죿 2ǰ 60s ƽٶǶ m/s 3Ӿ೤ʱһ ġʵ

19Сͬѧں߼һƯĶʯƽͲʯܶȡ

1ʵ鲽裺

õںõƽʯm ͲеˮˮV1 ۸ܶȹʽʯܶȦѣ

ܽʯûͲڵˮУʯˮV2

Ӧȷʵ鲽˳Ϊ___________ѡѡǰĸ A٢ڢܢ B٢ڢۢ Cڢۢܢ Dڢۢ٢

2ͼʾСڵƽƽеIJ___________

3СµƽƽⲢʯƽƽʱͼ

ʾʯΪ______________g ͼͶ֪ʯ_____________cmʯܶΪ___________g/cm3

4ͲˮʱӦҺ尼ĵײ___________СͼжȷͼжʱӣöʯܶȽ___________ѡƫ󡱡ƫС򡰲䡱

20ijʵС̽͹͸ɡʵʱ

3

1Ϊȷ͹͸Ľ࣬Сͬѧһƽй͹͸ƶֱڹϻ۳һ㣬ͼʾ͹͸ĽΪ_____cm

2ͼʾѸ͹͸̶ڹϣʱ͹͸ڹ50cmλãѷڹ15cmλʱ嵽͹͸ľ_____cmƶ͹͸һ˵Ĺڹϵõһĵ_____ѡŴСȴ󣩵ʵ

21ͼǡ̽ƽ澵ص㡱龰͸һ̶ȵľϣľ崹ֱ֧ͬABڲ࣬AΪ塣

1͸ƽ澵Ȼƽ澵ȴڲ쵽AͬʱҲܹ۲쵽_____ؽȷλúʹС⣻

2ȼAСĵƶBֱA_____Ϊֹ˵ĴСȣȷСϵķ_____ѡƶЧ򡰿ѧһ۲AB֧ľϵλ÷֣ﵽľ_____ 3Ϊ֤ʵйسصǷɿΪIJӦ_____ AAB֧λò䣬θı䲣λýй۲죻 Bֲλò䣬θıAλãƶBй۲졣

4ʵУѲCDˮƽƶԹ۲쵽A_____ƶѡҡ󡱻򡰲EF˳ʱתԹ۲쵽_____ѡ˳ʱתʱת򡰲

22Сڹ۲조ⴸе̬仯֮ǰϵ֪ƾ¶ԼΪ800 棬۵Ϊ113.7 棬ͼеַʽȣͼеĵȻ____(̬仯ƣͬ)ͼеĵȳ˷ͼеı仯⣬ܻ____ַʽֹͣȺ󣬡ⴸеĵ____

23ͼʾ̽ʱõװã

1ͼʾƤûʱ淢ܹ۲쵽ƹһСķȣʵ______

2ʵӴûȣ淢ȸɴ˿ɳóĽǣ______

3ͼʾСûұ棬Ҳƹ𣬸ʵ˵______ѡ

A.Ƶй B.ڿд

C.ܴ D.ڹдٶȱп

4Աʵ飬ƹ᲻ᵯ______ԭʲô ______

24 ̽ˮIJݵ˶ɡʵУ

1ʵҪIJп̶ȳߺ____

2ʵУСƵķǣѡȡ˶һ·̺OΪʱ㣬ڲOΪÿ20cmһǣͼףͨÿõʱ䣮±DzõʵݣЩͼл˶s-tͼ ____________

ʵ֪____˶жϵǣ___ s/cm ͨʱt/s 0-20 10 20-40 10 40-60 10 60-80 10 3Сʵ鷽£׳п̶ȵһ߽ܷã˶ƵƵÿ10sȡݵλͼƬϳ˱ͼʾͼƬƵƬԭͬͼƬ֪ݴA˶FƽٶΪ____cm/s

4ССʵ鷽˵____ AСУÿľ

BСУOÿ10cmһǣó˶ɸӽʵ˶ CСȣСķʱȽϴ DСȣСķܷӳȫ̵˶ ο𰸡

һѡ

1 2 3 4 5 6 7 8 9 10 D B C D D B D D C A 11700 12 Ŵ 13

14 15Ϣ

16˲ÿͨ·Լ1.2m 750 ֹ

1714.5m33109

181ӣ27.5m / s320s ġʵ

19A ûƵ˵̶ 27 10 2.7 ƽ ƫ 200 35 С

21B غ Ч B ˳ʱת 22 ۻ

23񶯲 BC ߵƹ򲻻ᵯ Ϊûпղܴ

24 ֱ ·ʱȣͬ·õʱͬ𰸺ɣ 1.8 A

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