2020届江苏省苏锡常镇四市高三教学情况调研物理试题(一)(解析? - 百度文库 ر

2019~2020ѧиѧУһ

ע

1. Ծѡͷѡ֡ȫڴ⿨ϣڱԾЧοʱΪ100 ӣֵΪ120 ֡

2. ǰؽԼ׼֤ţԺţдɫּ0.5 ǩֱдڴ⿨ϣ2B ǦʽӦֱͿڡ

3. ѡ2B ǦʰѴ⿨϶ӦĿĴ𰸱ͿڡĶƤɾѡͿ𰸡ѡдɫּ0.5 ǩֱдڴ⿨ϵָλãλôһЧ

һѡ⣺⹲5С⣬ÿС3֣15֡ÿСֻһѡ⡣

1.ҹʡƽȡݡгʱܵĿ복ٳȣֱ300km/h350km/h ٶʱ˷Ĺ֮Ϊ A. 67 𰸡C

⡿гʱܵĿ복ٳȣ

f?kv

B. 76 C. 3649 D. 4936

˷ĹΪ

p?fv?kv2

Ըֱ300km/h350km/h ٶʱ˷Ĺ֮Ϊ

p1kv1236?? p2kv2249ABD󣬴Cȷ ѡC

2.ͼʾij糡һصߡʵһӽڵ糡µ˶켣ABCΪ켣ϵ㡣жȷǣ

A. 켣һ糡 C. ǿEA?EC 𰸡C

B. Ӵ

D. ӵĵEPA?EPC

⡿AΪ糡ߴֱԹ켣һ糡ϣA

B糡ߵķCAܵķָϷ糡߷ͬӦô磬B

CAB֮ľСBC֮ľ룬ABBC֮ĵƲȣݹʽE?Cȷ

DΪӴ磬AĵҪCĵƵͣݹʽEp?q?ӵĵEPAEPCD ѡC

3.70ıչҹ߳ٳ˲嵼-17-17ͻǿأάƽչͼʾ赯ϴڴaʹڴڵbʰ뾶֮Ϊ21abٶȴСֱΪ3ٺ12٣ƽ·ˮƽ棬aΪGbܵΪF

U֪ǿEA?ECd

A. F=33G 𰸡B

B. F?33G

C. F=32G

D. F?32G

⡿aʱṩ

m?3v??G 2R2

m?12v?F??G

R

2F?33G

ΪҪ˶

F?33G

ACDBȷ ѡB

4.ͼʾ·LΪȦCΪȽS1պϣȶٽS2պϣ

A. S1պʱAB𽥱 C. S2պʱBϨ 𰸡D

B. S1պʱA޵ͨ D. S2պʱAеba

⡿ABS1պʱΪֱͨԵAжݵͨҲ𽥱AB

CS2պʱΪȦBϨ𣬹C

DS2պʱݷŵ磬S2պ˲Aеba Dȷ ѡD

5.ͼʾ˶ˮƽʹԵֱһͿī֭ӣڴʹ滬һʱ洫ʹһ˶Դʹ˶ΪxᣬӳٶȷΪyᣬԳΪԭ㣬ڴʹµīΪ

A. B.

C. D.

𰸡A

⡿֪ڴʹοϵУٶȵķĦķһֱϣ˶켣ӦһֱߣΪڴʹ˶AȷBCD ѡA

ѡ⣺⹲4С⣬ÿС4֣16֡ÿСжѡ⡣ȫѡԵĵ4֣ѡԵȫĵ2֣ѡ򲻴ĵ0֡

6.ҹǵϵͳBDSѾʼṩȫ񣬾жλʱ5GȹܡABΪϵͳеŹǣAǸ߹ĵֹͬǣBйǡ֪ٶΪgתΪT0жȷǣ A. AܾϿ C. ڴСTA=T0?TB 𰸡BCD

⡿AAǸ߹ĵֹͬǣֹڳϿգܾϿգA BBйDzǾֹͬǣBܾϿգBȷ C

B. BܾϿ D. ļٶȴСaA

Mm4?2mR G2?2RTɵ

4?2R3 T?GM