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ǰλãҳ > 吉林大学大学物理(工科)期末试卷及答?上下? - 百度文库

吉林大学大学物理(工科)期末试卷及答?上下? - 百度文库

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1 ҳ 6ҳ

ִѧ⣨2007~2008ѧڶѧڣϲᣩ

һ ܷ 300kĵԴ800Jͬʱ1000J (A) Եģѧһɡ (B) Եģѧڶɡ

(C) еģŵѭĹܴԴų (D) еģȻЧʳֵ 7У·йص

(A) (B) (C) 糡 (D) 糡 8һ絼ﵽƽʱ

AϵܶȽϴ󴦵ƽϸ (B) ʽϴ󴦵ƽϸ

(C ) ڲĵƱȵĵƸ (D) һһĵƲ 9λƵĴСȡ

A 糡ǿȵĴС BλʸĴС B ͨĴС C糡ʱ仯ʵĴС

ע⣺һ͵ڶĴдıڣִ : k?1.38?10?23J?K?1 峣R?8.31J?mol?1?K?1 һ ѡ

1òƶʱֹͣͨ·̵

A ٶ B (C) (D)

2һϸƹһ˺ƹIJֱתʱǼٶ?ȣ °֮ܵM1:M2

A1:1 B2:1 C4:1 D1:4 3ʵɵϵͳУϵͳܵʸΪ㣬ϵͳ

Aеغ㣬ǶǷغ㲻ȷ

Bغ㣬еܺͽǶǷغ㲻ȷ (C ) ͽǶغ㣬еǷغ㲻ȷ (D) еغ㡢Ƕغ

4֪һij壬¶ΪT1T2ʱɼʷֱΪ?p1 ?p2ʷֱֲֵΪf(?p1)f(?p2)T1?T2

A?p1??p2f(?p1)?f(?p2) (B) ?p1??p2f(?p1)?f(?p2) C?p1??p2f(?p1)?f(?p2) C?p1??p2f(?p1)?f(?p2) 5ڷֱʢͺǵ¶ȺĦֱͬ

Aӵƽƽͬ ( B) ӵƽͬ Cӵƽͬ Dͬ

6һ̨ŵȻģÿѭһοԴ400kĸԴ1800J

??10һԲȦİ뾶ΪRеIھųBСȦķ߷B

ͬڲȦĴų£Ȧϵ

A2BIR (B) 0

(C ) BIR (D) 1BIR

2

[һд] 밴Žѡ 1 2 3 4 5 6 7 8 9 10

2 ҳ 6ҳ

⣨дڣ

???21֪ʵ˶Ϊr?4ti?(2t?3)jʵĹΪ

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______________________________

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[Ҫм㲽]

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t?0 ʱλԭ㲢ֹ󣺣1t?2sʱʣ2ǰ2sں

Ĺt?2sʱĹʡ

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11???0ʱֵĽǼٶ?? ӿʼƶ???0

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7һ뾶ΪRȱڵϸԲȱڳΪdd<

1 ϸڵֱλʱصĹ 2 ϸڵֱλʱĽٶȣ

3 ϸڵֱλʱĵCͶ˵Aٶȡ

O

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3 ҳ 6ҳ

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ߵľaa?RͼʾֱI2ܵ

R b I1 a 1.0

c 2.0

V10-3m3

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?Ar?0r?R

r?R

a L

4 ҳ 6ҳ

7ԲξȴųУųഹֱһγΪLĵabųʱ仯ϵB?B0sin?t?B0ΪԴֱֽΪ򡣵O㿪ʼ?ֽ˶t?3?ʱ˶ųOΪh3 1 2Ƕųķ Է䣬ܼ䣬ܼ 4 5 4?ͼʾλá

1ڸλʱĶ綯ƣָʾ䷽ 2ڸλʱĸ綯ƣָʾ䷽ 3ڸλʱĸӦ綯ơ

B x=10k+10 k=0, 1, 2, 6 4P1 2?d?8P2?2??d120 ?0??8PC?0? ??2??0??d??1212?a O 7 h b 8 L 9 113.06 25m 9sl2655 Ӿв ִѧ⣨2007~2008ѧһѧڣ

ο𰸼ֱ׼

һѡ⣨ÿС2֣20֣ 1 C 2 D 3 C 4 D 5 A 6 D 7 C 8 B 9 D 10 D

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(2) x?0.02cos(4?t??)???4??0.02sin(4?t??)⣨5782֣ÿ1֣20֣

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65?6?12?10m 130 ?2??? 3?񶯷 x?0.02cos?4?t??? 2֣ 2.7֣

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1 ҳ 6ҳ ִѧ⣨2007~2008ѧڶѧڣϲᣩ һ ܷ 300kĵԴ800Jͬʱ1000J (A) Եģѧһɡ (B) Եģѧڶɡ (C) еģŵѭĹܴԴų (D) еģȻЧʳֵ 7У·йص (A) (B) (C) 糡 (D) 糡 8һ絼ﵽƽʱ AϵܶȽϴ󴦵ƽϸ

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