您所在的当前位置：高中物理试题 >

匀变速直线运动

> 甲、乙两位同学多次进行百米赛跑，每次甲都比乙提前10 m到达终点．假若让甲远离起跑点10 m，乙仍在起跑点起跑，则结果将会（忽略加速过程，认为运动员整个过程速度不变）（） A．甲先到达终点 B．两人同时到达终点 C．乙先到达终点 D．不能确定

问题：

发布时间：2024-09-07

甲、乙两位同学多次进行百米赛跑，每次甲都比乙提前10 m到达终点．假若让甲远离起跑点10 m，乙仍在起跑点起跑，则结果将会（忽略加速过程，认为运动员整个过程速度不变）（）

A．甲先到达终点 B．两人同时到达终点

C．乙先到达终点 D．不能确定

参考答案：

提问用户：9B***76l

可能感兴趣的题目：

1 下列程序计算的数学式是（　　） A．1+2+3+…+n B．1!+2!+3!+…+20! C． D．
2 完形填空。 "Excuse me," said the young man, standing shyly at the open church door. "I"m here to 1 an Easter basket for my daughter. Am I in the 2 place?" "Well, we have baskets, 3 they"re not East baskets for kids; they"re food baskets," I explained. That morning I had arrived at St. Michael"s Church in Carmichael, California, to help 4 the baskets to needy families for Easter. To make sure the needy would 5 the offer, we had handed out numbers to them 6 matched the basket they were supposed to receive. Each one contained a full Easter dinner-a whole ham, potatoes, bread, vegetables and a pie- enough food to help 7 a family for a week. "Why don"t you come in?" I said to the man. He looked 8 . He 9 his head, "I can"t. My daughter is waiting for me over there. I"m 10 for the food, but 11 I heard you were giving away baskets for Easter, well, I thought they would be Easter baskets for 12 ." He continued, "I 13 my daughter one, and I wanted to surprise her." I felt bad, but there was 14 we could do. The man handed me his 15 , and I walked over to the baskets. A bulge (凸出) in one of the baskets caught my 16 . What was that? I wondered. Leaning over and looking more 17 , I could see, unmistakably, an Easter basket-filled with candy, chocolate and Easter eggs-decorated with ribbons (丝带). One of the 18 must have added it by mistake! I thought. Then I looked at the man"s number in my 19 . Well, he"ll be... "Happy Easter," I said to the man, handing him the only food basket with an Easter basket inside-the very same basket with his number on it. "Someone already knew just 20 you need." ( )1. A. send up ( )2. A. wrong ( )3. A. and ( )4. A. give out ( )5. A. accept ( )6. A. that ( )7. A. offer ( )8. A. disappointing ( )9. A. nodded ( )10. A. helpful ( )11. A. while ( )12. A. the rich ( )13. A. gave ( )14. A. nothing ( )15. A. name ( )16..4. eye ( )17. A. hardly ( )18. A. baskets ( )19. A. pocket ( )20. A. which B. pick up B. same B. or B. give up B. bring B. who B. feed B. disappointed B. turned B. careful B. when B. the poor B. bought B. something B. wish B. hands B. quickly B. volunteers B. shop B. how C. give out C. different C. but C. give in C. carry C. whom C. match C. pleasing C. shook C. grateful C. before C. adults C. asked C. anything C. number C. feet C. closely C. workers C. list C. what D. take out D. right D. so D. give off D. receive D. what D. work D. pleased D. raised D. useful D. until D. children D. promised D. everything D. food D. clothes D. hopefully D. sellers D. hand D. that
3 东北亚地区山水相依，人脉相连，发展特色各异，经济互补性强，是世界上重要的经济增长区域。读图回答下列问题。（11分）材料一东北亚部分区域图。材料二 2006年俄罗斯相关数据统计图。 (1)分析我国东北农业的地域类型和优势区位条件(5分) (2)根据材料二，评价俄罗斯亚洲部分发展经济的条件。(4分) (3)中、日、俄三国都是在世界舞台上扮演重要角色的大国，加强联系与合作符合彼此的利益，该图所显示的东北亚地区，突出了三国的地缘关系。请为该地区未来的经济联系提几条合理化建议。（2分）
4 对于地球同步卫星的认识，正确的是（） A．它们只能在赤道的正上方，它们的轨道半径可以不同，卫星的加速度为零 B．它们运行的角速度与地球自转角速度相同，相对地球静止,且处于平衡状态 C．它们的轨道半径都相同且一定在赤道的正上方，运行速度小于第一宇宙速度 D．它们可在我国北京上空运行，故用于我国的电视广播
5 It was in New Zealand _______Elizabeth first met Mr Smith . A．that B．how C．which D．when
6 在由水电离产生的H＋浓度为1×10 -13 mol·L -1的溶液中，一定能大量共存的离子组是 [ ] ① K +、Cl -、NO 3 -、S 2- ② K +、Fe 2+、I -、SO 4 2- ③ Na +、Cl -、NO 3 -、SO 4 2- ④Na +、Ca 2+、Cl -、HCO 3 - ⑤ K +、Ba 2+、Cl -、NO 3 - A．①③ B．③⑤ C．③④ D．②⑤
7 _________ it is to go camping in ___________ weather! A.How great fun; so fine weather B.What great fun; such fine weather C.How great fun; such fine weather D.What a great fun; so fine weather
8 下列实验设计能完成或实验结论合理的是（） A．新制氯水的氧化性强于久置氯水 B．某溶液中加入碳酸钠溶液产生白色沉淀，再加盐酸沉淀消失，说明该溶液中有钙离子 C．用NaOH除去混在Cl2中的HCl气体 D．用水和Al2O3混合制取Al(OH)3
9 America is an country. You can hear everywhere. A．English-spoken, English speaking B．English-speaking, English spoken C．speaking-English, English spoken D．spoken-English, English speaking
10 下列说法中正确的是 A.运动的物体一定受到了力的作用 B.静止的物体一定是没有受到力的作用 C.没有力的作用物体的运动状态不会改变 D.运动的物体如果不受力，它将永远运动下去