高一物理例题 高一物理加速度计算题，在线急等！
\u9ad8\u4e00\u7269\u7406\u7ec3\u4e60\u9898\uff0c\u9644\u7b54\u6848\u4e00. \u5355\u9009\u9898\uff08\u672c\u9898\u517112\u5c0f\u9898,\u6bcf\u98983\u5206,\u517136\u5206\uff09
1. \u6839\u636e\u66f2\u7ebf\u8fd0\u52a8\u7684\u5b9a\u4e49\uff0c\u4e0b\u5217\u53d9\u8ff0\u6b63\u786e\u7684\u662f\uff08 \uff09
A. \u66f2\u7ebf\u8fd0\u52a8\u4e00\u5b9a\u662f\u53d8\u901f\u8fd0\u52a8\uff0c\u52a0\u901f\u5ea6\u4e00\u5b9a\u6539\u53d8
B. \u53d8\u901f\u8fd0\u52a8\u4e00\u5b9a\u662f\u66f2\u7ebf\u8fd0\u52a8
C. \u7269\u4f53\u8fd0\u52a8\u7684\u521d\u901f\u5ea6\u4e0d\u4e3a\u96f6\u4e14\u7269\u4f53\u6240\u53d7\u7684\u5408\u5916\u529b\u4e3a\u53d8\u529b
D. \u7269\u4f53\u6240\u53d7\u7684\u5408\u5916\u529b\u65b9\u5411\u4e0e\u901f\u5ea6\u7684\u65b9\u5411\u4e0d\u5728\u540c\u4e00\u76f4\u7ebf\u4e0a
2. \u8d28\u91cf\u4e3aM\u7684\u6ed1\u96ea\u8fd0\u52a8\u5458\u4ece\u534a\u5f84\u4e3aR\u7684\u534a\u5706\u5f62\u7684\u5c71\u5761\u4e0b\u6ed1\u5230\u5c71\u5761\u6700\u4f4e\u70b9\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8e\u6469\u64e6\u529b\u7684\u4f5c\u7528\u4f7f\u5f97\u6ed1\u96ea\u8fd0\u52a8\u5458\u7684\u901f\u7387\u4e0d\u53d8\uff0c\u90a3\u4e48\uff08 \uff09
A. \u56e0\u4e3a\u901f\u7387\u4e0d\u53d8\uff0c\u6240\u4ee5\u8fd0\u52a8\u5458\u7684\u52a0\u901f\u5ea6\u4e3a\u96f6
B. \u8fd0\u52a8\u5458\u4e0b\u6ed1\u8fc7\u7a0b\u4e2d\u6240\u53d7\u7684\u5408\u5916\u529b\u8d8a\u6765\u8d8a\u5927
C. \u8fd0\u52a8\u5458\u4e0b\u6ed1\u8fc7\u7a0b\u4e2d\u6469\u64e6\u529b\u7684\u5927\u5c0f\u4e0d\u53d8
D. \u8fd0\u52a8\u5458\u4e0b\u6ed1\u8fc7\u7a0b\u4e2d\u7684\u52a0\u901f\u5ea6\u5927\u5c0f\u4e0d\u53d8\uff0c\u65b9\u5411\u59cb\u7ec8\u6307\u5411\u5706\u5fc3
3. \u8239\u5728\u9759\u6c34\u4e2d\u901f\u5ea6\u662f1m/s\uff0c\u6cb3\u5cb8\u7b14\u76f4\uff0c\u6cb3\u5bbd\u6052\u5b9a\uff0c\u6cb3\u6c34\u9760\u8fd1\u5cb8\u8fb9\u7684\u6d41\u901f\u4e3a2m/s\uff0c\u6cb3\u6c34\u4e2d\u95f4\u7684\u6d41\u901f\u4e3a3m/s\uff0c\u8239\u5934\u65b9\u5411\u4e0d\u53d8\uff0c\u4e0b\u5217\u8bf4\u6cd5\u4e0d\u6b63\u786e\u7684\u662f\uff08 \uff09
A. \u56e0\u8239\u901f\u5c0f\u4e8e\u6d41\u901f\uff0c\u8239\u4e0d\u80fd\u5230\u8fbe\u5bf9\u5cb8
B. \u8239\u4e0d\u80fd\u6cbf\u4e00\u6761\u76f4\u7ebf\u8fc7\u6cb3
C. \u8239\u4e0d\u80fd\u5782\u76f4\u8fc7\u6cb3
D. \u8239\u8fc7\u6cb3\u7684\u65f6\u95f4\u662f\u4e00\u5b9a\u7684
4. \u4e0b\u5217\u5173\u4e8e\u5e73\u629b\u8fd0\u52a8\u7684\u8bf4\u6cd5\u9519\u8bef\u7684\u662f\uff08 \uff09
A. \u5e73\u629b\u8fd0\u52a8\u662f\u5300\u53d8\u901f\u66f2\u7ebf\u8fd0\u52a8
B. \u5e73\u629b\u8fd0\u52a8\u7684\u7269\u4f53\u843d\u5730\u65f6\u7684\u901f\u5ea6\u65b9\u5411\u53ef\u80fd\u662f\u7ad6\u76f4\u5411\u4e0b\u7684
C. \u5e73\u629b\u8fd0\u52a8\u7684\u7269\u4f53\uff0c\u5728\u76f8\u7b49\u65f6\u95f4\u5185\u901f\u5ea6\u7684\u589e\u91cf\u76f8\u7b49
D. \u5e73\u629b\u8fd0\u52a8\u7684\u7269\u4f53\uff0c\u5728\u76f8\u7b49\u65f6\u95f4\u5185\u7ecf\u8fc7\u7684\u4f4d\u79fb\u4e0d\u76f8\u7b49
5. \u5173\u4e8e\u5411\u5fc3\u529b\u7684\u8bf4\u6cd5\u4e2d\u6b63\u786e\u7684\u662f\uff08 \uff09
A. \u7269\u4f53\u7531\u4e8e\u505a\u5706\u5468\u8fd0\u52a8\u800c\u4ea7\u751f\u4e86\u4e00\u4e2a\u5411\u5fc3\u529b
B. \u5411\u5fc3\u529b\u4e0d\u6539\u53d8\u5706\u5468\u8fd0\u52a8\u901f\u5ea6\u7684\u5927\u5c0f
C. \u505a\u5706\u5468\u8fd0\u52a8\u7684\u7269\u4f53\u5176\u5411\u5fc3\u529b\u5373\u4e3a\u5176\u6240\u53d7\u7684\u5408\u5916\u529b
D. \u5411\u5fc3\u529b\u662f\u6307\u5411\u5706\u5fc3\u65b9\u5411\u7684\u5408\u529b\uff0c\u662f\u6839\u636e\u529b\u7684\u4f5c\u7528\u6027\u8d28\u547d\u540d\u7684
6. \u5730\u7403\u534a\u5f84\u4e3aR\uff0c\u5730\u7403\u8868\u9762\u7684\u91cd\u529b\u52a0\u901f\u5ea6\u4e3ag\uff0c\u82e5\u9ad8\u7a7a\u4e2d\u67d0\u5904\u7684\u91cd\u529b\u52a0\u901f\u5ea6\u4e3ag/2\uff0c\u5219\u8be5\u5904\u8ddd\u79bb\u5730\u9762\u7684\u9ad8\u5ea6\u4e3a\uff08 \uff09
A. B. R C. D. 2R
7. \u5173\u4e8e\u7b2c\u4e00\u5b87\u5b99\u901f\u5ea6\uff0c\u4e0b\u5217\u8bf4\u6cd5\u9519\u8bef\u7684\u662f\uff08 \uff09
A. \u5b83\u662f\u4eba\u9020\u536b\u661f\u7ed5\u5730\u7403\u505a\u5300\u901f\u5706\u5468\u8fd0\u52a8\u7684\u6700\u5c0f\u8fd0\u884c\u901f\u5ea6
B. \u8fd9\u662f\u4eba\u9020\u536b\u661f\u7ed5\u5730\u7403\u505a\u5300\u901f\u5706\u5468\u8fd0\u52a8\u7684\u6700\u5927\u8fd0\u884c\u901f\u5ea6
C. \u5b83\u662f\u4eba\u9020\u536b\u661f\u7ed5\u5730\u7403\u98de\u884c\u6240\u9700\u7684\u6700\u5c0f\u53d1\u5c04\u901f\u5ea6
D. \u5b83\u662f\u4eba\u9020\u536b\u661f\u7ed5\u5730\u7403\u8fd0\u52a8\u7684\u6700\u5927\u8fd0\u884c\u901f\u5ea6
8. \u5bf9\u4e8e\u4eba\u9020\u5730\u7403\u536b\u661f\uff0c\u4e0b\u5217\u8bf4\u6cd5\u4e2d\u6b63\u786e\u7684\u662f\uff08 \uff09
A. \u536b\u661f\u8d28\u91cf\u8d8a\u5927\uff0c\u79bb\u5730\u8d8a\u8fd1\uff0c\u901f\u5ea6\u8d8a\u5927\uff0c\u5468\u671f\u8d8a\u77ed
B. \u536b\u661f\u8d28\u91cf\u8d8a\u5c0f\uff0c\u79bb\u5730\u8d8a\u8fd1\uff0c\u901f\u5ea6\u8d8a\u5927\uff0c\u5468\u671f\u8d8a\u957f
C. \u536b\u661f\u8d28\u91cf\u8d8a\u5927\uff0c\u79bb\u5730\u8d8a\u8fd1\uff0c\u901f\u5ea6\u8d8a\u5c0f\uff0c\u5468\u671f\u8d8a\u77ed
D. \u4e0e\u536b\u661f\u8d28\u91cf\u65e0\u5173\uff0c\u79bb\u5730\u8d8a\u8fdc\uff0c\u901f\u5ea6\u8d8a\u5c0f\uff0c\u5468\u671f\u8d8a\u957f
9. \u5173\u4e8e\u6469\u64e6\u529b\u7684\u529f\uff0c\u4ee5\u4e0b\u8bf4\u6cd5\u6b63\u786e\u7684\u662f\uff08 \uff09
A. \u9759\u6469\u64e6\u529b\u603b\u662f\u4e0d\u505a\u529f\uff0c\u6ed1\u52a8\u6469\u64e6\u529b\u603b\u662f\u505a\u8d1f\u529f
B. \u9759\u6469\u64e6\u529b\u548c\u6ed1\u52a8\u6469\u64e6\u529b\u90fd\u53ef\u80fd\u5bf9\u7269\u4f53\u505a\u529f\uff0c\u4e5f\u53ef\u80fd\u4e0d\u505a\u529f
C. \u9759\u6469\u64e6\u529b\u5bf9\u7269\u4f53\u53ef\u80fd\u4e0d\u505a\u529f\uff0c\u6ed1\u52a8\u6469\u64e6\u529b\u5bf9\u7269\u4f53\u4e00\u5b9a\u505a\u529f
D. \u9759\u6469\u64e6\u529b\u5bf9\u7269\u4f53\u4e00\u5b9a\u4e0d\u505a\u529f\uff0c\u6ed1\u52a8\u6469\u64e6\u529b\u5bf9\u7269\u4f53\u53ef\u80fd\u4e0d\u505a\u529f
10. \u5982\u56fe\u6240\u793a\uff0c\u7ad9\u5728\u6c7d\u8f66\u4e0a\u7684\u4eba\u7528\u624b\u63a8\u8f66\u7684\u529b\u4e3aF\uff0c\u8f66\u5411\u53f3\u8fd0\u52a8\uff0c\u811a\u5bf9\u8f66\u5411\u540e\u7684\u9759\u6469\u64e6\u529b\u4e3aFf \uff0c\u4e0b\u5217\u8bf4\u6cd5\u6b63\u786e\u7684\u662f \uff08 \uff09
A. Ff\u5bf9\u8f66\u4e0d\u505a\u529f\uff0cF\u5bf9\u8f66\u505a\u6b63\u529f
B. Ff\u5bf9\u8f66\u505a\u8d1f\u529f\uff0cF\u5bf9\u8f66\u4e0d\u505a\u529f
C. \u5f53\u8f66\u5300\u901f\u524d\u8fdb\u65f6\uff0cF\u3001Ff\u7684\u603b\u529f\u4e00\u5b9a\u4e3a\u96f6
D. \u5f53\u8f66\u52a0\u901f\u524d\u8fdb\u65f6\uff0cF\u3001Ff\u7684\u603b\u529f\u4e00\u5b9a\u4e3a\u96f6
11. \u5173\u4e8e\u529f\u7387\u7684\u6982\u5ff5\uff0c\u8bf7\u4f60\u9009\u51fa\u6b63\u786e\u7684\u7b54\u6848\uff08 \uff09
A. \u529f\u7387\u5927\u8bf4\u660e\u529b\u505a\u529f\u591a
B. \u529f\u7387\u5c0f\u8bf4\u660e\u529b\u505a\u529f\u5c11
C. \u673a\u5668\u505a\u529f\u8d8a\u591a\uff0c\u5b83\u7684\u529f\u7387\u5c31\u8d8a\u5927
D. \u673a\u5668\u505a\u529f\u8d8a\u5feb\uff0c\u5b83\u7684\u529f\u7387\u5c31\u8d8a\u5927
12. \u5173\u4e8e\u529f\u7387\u7684\u516c\u5f0fP=W/t\u548cP=Fv\uff0c\u4e0b\u5217\u8bf4\u6cd5\u6b63\u786e\u7684\u662f\uff08 \uff09
A. \u7531P=Fv\u53ea\u80fd\u6c42\u67d0\u4e00\u65f6\u523b\u7684\u77ac\u65f6\u529f\u7387
B. \u7531P=Fv\u77e5\uff0c\u5f53\u6c7d\u8f66\u53d1\u52a8\u673a\u8f93\u51fa\u529f\u7387\u529f\u7387\u4e00\u5b9a\u65f6\uff0c\u7275\u5f15\u529b\u4e0e\u901f\u5ea6\u6210\u53cd\u6bd4
C. \u7531P=W/t\u77e5\uff0c\u53ea\u8981\u77e5\u9053W\u548ct\uff0c\u5c31\u53ef\u4ee5\u6c42\u51fa\u4efb\u610f\u65f6\u523b\u7684\u529f\u7387
D. \u7531P=Fv\u77e5\uff0c\u6c7d\u8f66\u7684\u989d\u5b9a\u529f\u7387\u4e0e\u5b83\u7684\u901f\u5ea6\u6210\u6b63\u6bd4
\u4e8c. \u586b\u7a7a\u9898\uff08\u6bcf\u98984\u5206,\u517124\u5206\uff09
13. \u5982\u56fe\u6240\u793a\uff0c\u6c34\u5e73\u9762\u4e0a\u6709\u4e00\u7269\u4f53\uff0c\u4eba\u901a\u8fc7\u5b9a\u6ed1\u8f6e\u7528\u7ef3\u5b50\u62c9\u5b83\uff0c\u5728\u56fe\u793a\u4f4d\u7f6e\u65f6\uff0c\u82e5\u4eba\u7684\u901f\u5ea6\u4e3a5m/s\uff0c\u5219\u7269\u4f53\u7684\u77ac\u65f6\u901f\u5ea6\u4e3a m/s\u3002
14. \u5728\u9ad8\u901f\u516c\u8def\u7684\u62d0\u5f2f\u5904\uff0c\u8def\u9762\u9020\u7684\u5916\u9ad8\u5185\u4f4e\uff0c\u8bbe\u8f66\u5411\u53f3\u62d0\u5f2f\u65f6\uff0c\u53f8\u673a\u5de6\u4fa7\u8def\u9762\u6bd4\u53f3\u4fa7\u8981\u9ad8\u4e00\u4e9b\uff0c\u8def\u9762\u4e0e\u6c34\u5e73\u9762\u95f4\u7684\u5939\u89d2\u4e3a \u3002\u8bbe\u62d0\u5f2f\u8def\u6bb5\u662f\u534a\u5f84\u4e3aR\u7684\u5706\u5f27\uff0c\u8981\u4f7f\u8f66\u8f6e\u4e0e\u8def\u9762\u4e4b\u95f4\u7684\u6a2a\u5411\uff08\u5373\u5782\u76f4\u4e8e\u524d\u8fdb\u65b9\u5411\uff09\u6469\u64e6\u529b\u7b49\u4e8e\u96f6\uff0c\u8f66\u901f\u5e94\u7b49\u4e8e \u3002\uff08\u5df2\u77e5\u91cd\u529b\u52a0\u901f\u5ea6\u4e3ag\uff09
15. \u4e00\u8258\u5b87\u5b99\u98de\u8239\u98de\u5230\u6708\u7403\u7684\u8868\u9762\u9644\u8fd1\uff0c\u7ed5\u6708\u7403\u505a\u8fd1\u8868\u9762\u5300\u901f\u5706\u5468\u8fd0\u52a8\uff0c\u5f15\u529b\u5e38\u91cf\u4e3aG\uff0c\u82e5\u5b87\u822a\u5458\u7528\u4e00\u53ea\u673a\u68b0\u8868\u6d4b\u5f97\u7ed5\u884c\u4e00\u5468\u6240\u7528\u65f6\u95f4\u4e3aT\uff0c\u5219\u6708\u7403\u7684\u5e73\u5747\u5bc6\u5ea6\u4e3a_________\u3002
16. \u8bbe\u5730\u7403\u7684\u8d28\u91cf\u4e3aM\uff0c\u5e73\u5747\u534a\u5f84\u4e3aR\uff0c\u81ea\u8f6c\u89d2\u901f\u5ea6\u4e3a\u03c9\uff0c\u4e07\u6709\u5f15\u529b\u6052\u91cf\u4e3aG\uff0c\u5219\u540c\u6b65\u536b\u661f\u7684\u79bb\u5730\u9ad8\u5ea6\u4e3a__________\u3002
17. \u8d77\u91cd\u673a\u540a\u94a9\u4e0b\u6302\u7740\u8d28\u91cf\u4e3am\u7684\u6728\u53a2\uff0c\u5982\u679c\u6728\u53a2\u4ee5\u52a0\u901f\u5ea6a\u5300\u51cf\u901f\u4e0b\u964d\u4e86h\uff0c\u5219\u94a2\u7d22\u62c9\u529b\u505a\u529f\u4e3a \uff0c\u6728\u53a2\u514b\u670d\u94a2\u7d22\u62c9\u529b\u505a\u529f\u4e3a \u3002
18. \u8d28\u91cf\u4e3am\u7684\u6c7d\u8f66\u884c\u9a76\u5728\u5e73\u76f4\u7684\u516c\u8def\u4e0a\uff0c\u5728\u8fd0\u52a8\u4e2d\u6c7d\u8f66\u6240\u53d7\u963b\u529b\u6052\u5b9a\uff0c\u5f53\u6c7d\u8f66\u52a0\u901f\u5ea6\u4e3aa\u3001\u901f\u5ea6\u4e3av\u65f6\u53d1\u52a8\u673a\u7684\u529f\u7387\u4e3aP1\uff0c\u6c7d\u8f66\u6240\u53d7\u963b\u529b\u4e3a \uff0c\u5f53\u6c7d\u8f66\u7684\u529f\u7387\u4e3aP2\u65f6\uff0c\u6c7d\u8f66\u884c\u9a76\u7684\u6700\u5927\u901f\u5ea6\u4e3a \u3002
\u4e09. \u5b9e\u9a8c\u9898\uff08\u672c\u9898\u5171\u4e24\u9898\uff0c19\u98984\u5206\uff0c20\u98984\u5206\uff09
19. \u7814\u7a76\u5e73\u629b\u8fd0\u52a8\u7684\u65b9\u6cd5\u662f\uff08 \uff09
A. \u5c06\u5176\u5206\u89e3\u4e3a\u6c34\u5e73\u5206\u8fd0\u52a8\u548c\u7ad6\u76f4\u5206\u8fd0\u52a8
B. \u5148\u6c42\u5408\u8fd0\u52a8\u7684\u901f\u5ea6\u518d\u6c42\u5206\u8fd0\u52a8\u7684\u901f\u5ea6
C. \u5148\u6c42\u5206\u8fd0\u52a8\u7684\u901f\u5ea6\u518d\u6c42\u5408\u8fd0\u52a8\u7684\u901f\u5ea6
D. \u6839\u636e\u7ad6\u76f4\u5206\u8fd0\u52a8\u4f4d\u79fby=gt2/2\u6216\u0394y=gT2\u7b49\u89c4\u5f8b\u6c42\u65f6\u95f4
20. \u67d0\u540c\u5b66\u5728\u505a\u201c\u7814\u7a76\u5e73\u629b\u7269\u4f53\u7684\u8fd0\u52a8\u201d\u5b9e\u9a8c\u65f6\u5f97\u5230\u4e86\u5982\u56fe\u6240\u793a\u7684\u7269\u4f53\u8fd0\u52a8\u8f68\u8ff9\uff0ca\uff0cb\uff0cc\u4e09\u70b9\u7684\u4f4d\u7f6e\u5728\u8fd0\u52a8\u8f68\u8ff9\u4e0a\u5df2\u6807\u51fa\u3002\u5219\uff1a
\uff081\uff09\u5c0f\u7403\u5e73\u629b\u7684\u521d\u901f\u5ea6\u4e3a___________m/s
\uff082\uff09\u5c0f\u7403\u5f00\u59cb\u505a\u5e73\u629b\u8fd0\u52a8\u7684\u4f4d\u7f6e\u5750\u6807\u4e3a\uff1ax=________cm\uff0cy=__________cm
\u56db. \u8ba1\u7b97\u9898\uff08\u672c\u9898\u51713\u5c0f\u9898\uff0c21\u9898\u300122\u9898\u300123\u9898\u540410\u5206\uff09
21. \u5982\u56fe\u6240\u793a\uff0c\u534a\u5f84\u4e3aR\u7684\u6c34\u5e73\u5706\u76d8\u6b63\u4ee5\u4e2d\u5fc3O\u4e3a\u8f6c\u8f74\u5300\u901f\u8f6c\u52a8\uff0c\u4ece\u5706\u677f\u4e2d\u5fc3O\u7684\u6b63\u4e0a\u65b9h\u9ad8\u5904\u6c34\u5e73\u629b\u51fa\u4e00\u7403\uff0c\u6b64\u65f6\u534a\u5f84OB\u6070\u4e0e\u7403\u7684\u521d\u901f\u5ea6\u65b9\u5411\u4e00\u81f4\u3002\u8981\u4f7f\u7403\u6b63\u597d\u843d\u5728B\u70b9\uff0c\u5219\u5c0f\u7403\u521d\u901f\u5ea6\u53ca\u5706\u76d8\u7684\u89d2\u901f\u5ea6\u5206\u522b\u4e3a\u591a\u5c11\uff1f
22. \u4eba\u4eec\u8ba4\u4e3a\u67d0\u4e9b\u767d\u77ee\u661f\uff08\u5bc6\u5ea6\u8f83\u5927\u7684\u6052\u661f\uff09\u6bcf\u79d2\u81ea\u8f6c\u4e00\u5468\uff0c\uff08\u4e07\u6709\u5f15\u529b\u5e38\u91cf \uff0c\u5730\u7403\u534a\u5f84\u4e3a \uff09
\uff081\uff09\u4e3a\u4f7f\u5176\u8868\u9762\u4e0a\u7684\u7269\u4f53\u80fd\u591f\u88ab\u5438\u5f15\u4f4f\u800c\u4e0d\u81f4\u7531\u4e8e\u5feb\u901f\u8f6c\u52a8\u88ab\u201c\u7529\u201d\u6389\uff0c\u5b83\u7684\u5bc6\u5ea6\u81f3\u5c11\u4e3a\u591a\u5c11\uff1f
\uff082\uff09\u5047\u8bbe\u67d0\u767d\u77ee\u661f\u5bc6\u5ea6\u7ea6\u4e3a\u6b64\u503c\uff0c\u4e14\u5176\u534a\u5f84\u7b49\u4e8e\u5730\u7403\u534a\u5f84\uff0c\u5219\u5b83\u7684\u7b2c\u4e00\u5b87\u5b99\u901f\u5ea6\u7ea6\u4e3a\u591a\u5c11\uff1f
23. \u8bbe\u5730\u7403E\uff08\u8d28\u91cf\u4e3aM\uff09\u6cbf\u5706\u8f68\u9053\u7ed5\u592a\u9633S\u8fd0\u52a8\uff0c\u5f53\u5730\u7403\u8fd0\u52a8\u5230\u4f4d\u7f6eP\u65f6\uff0c\u6709\u4e00\u8258\u5b87\u5b99\u98de\u8239\uff08\u8d28\u91cf\u4e3am\uff09\u5728\u592a\u9633\u548c\u5730\u7403\u8fde\u7ebf\u4e0a\u7684A\u5904\u4ece\u9759\u6b62\u51fa\u53d1\uff0c\u5728\u6052\u5b9a\u7684\u63a8\u8fdb\u529bF\u4f5c\u7528\u4e0b\uff0c\u6cbfAP\u65b9\u5411\u4f5c\u5300\u52a0\u901f\u76f4\u7ebf\u8fd0\u52a8\uff0c\u5982\u56fe\u6240\u793a\uff0c\u4e24\u5e74\u540e\uff0c\u5728P\u5904\u98de\u8239\u63a0\u8fc7\u5730\u7403\u4e0a\u7a7a\uff0c\u518d\u8fc7\u534a\u5e74\uff0c\u5728Q\u5904\u63a0\u8fc7\u5730\u7403\u4e0a\u7a7a\uff0c\u8bbe\u5730\u7403\u4e0e\u98de\u8239\u95f4\u7684\u5f15\u529b\u4e0d\u8ba1\uff0c\u6839\u636e\u4ee5\u4e0a\u6761\u4ef6\u8bc1\u660e\uff1a\u592a\u9633\u4e0e\u5730\u7403\u95f4\u7684\u5f15\u529b\u7b49\u4e8e \u3002
\u3010\u8bd5\u9898\u7b54\u6848\u3011
1. D 2. D 3. A 4. B 5. B 6. A 7. A 8. D 9. B 10. C
11. D 12. B 13. 14. 15. 16.
17. \uff0c 18. \u3001
19. ACD 20.\uff081\uff092\uff0c\uff082\uff09 \uff0c
21.\uff081\uff09\u7531 \u5f97\uff1a \uff1b
\uff082\uff09\u7531
\u5f97\uff1a
22.
\uff081\uff09\u7531 \u5f97\uff1a
\u4ee3\u5165\u6570\u636e\u5f97\uff1a
\uff082\uff09\u7531 \u5f97
\u4ee3\u5165\u6570\u636e\u5f97\uff1a
23. \u8bbe\u5730\u7403\u7ed5\u592a\u9633\u516c\u8f6c\u5468\u671f\u4e3aT\uff0c
\u4eceP\u5230Q\u6709\uff1a
\u89e3\u5f97\uff1a \u5f15\u529b=
\u6545\u5f15\u529b=
\u3010\u8bd5\u5377\u5206\u6790\u3011
\u672c\u6b21\u8bd5\u5377\u8003\u8bd5\u5185\u5bb9\u4e3a\u9ad8\u4e00\u7269\u7406\u7b2c\u4e94\u7ae0\u66f2\u7ebf\u8fd0\u52a8\u3001\u7b2c\u516d\u7ae0\u4e07\u6709\u5f15\u529b\u3001\u7b2c\u4e03\u7ae0\u7b2c\u4e00\u8282\u529f\u3001\u7b2c\u4e8c\u8282\u529f\u7387\u3002
\u6d89\u53ca\u7684\u5185\u5bb9\u5305\u62ec\u66f2\u7ebf\u8fd0\u52a8\u7684\u6761\u4ef6\u3001\u8fd0\u52a8\u7684\u5408\u6210\u4e0e\u5206\u89e3\u3001\u6e21\u6cb3\u95ee\u9898\u3001\u5e73\u629b\u8fd0\u52a8\u3001\u5706\u5468\u8fd0\u52a8\u3001\u4e07\u6709\u5f15\u529b\u5b9a\u5f8b\u3001\u4e07\u6709\u5f15\u529b\u5b9a\u5f8b\u5728\u5929\u6587\u5b66\u4e2d\u7684\u5e94\u7528\u3001\u529f\u7684\u6982\u5ff5\u3001\u529f\u7387\u7684\u6982\u5ff5\u7b49\u3002\u8bd5\u9898\u96be\u5ea6\u4e2d\u7b49\uff0c\u5e73\u5747\u6210\u7ee9\u4f30\u8ba175\u201480\u5206\u3002
\u30101\u3011\u8d27\u8f66\u8ffd\u4e0a\u5c0f\u6c7d\u8f66\u65f6\uff0c\u4e24\u8005\u4f4d\u79fb\u76f8\u7b49\uff0c\u884c\u9a76\u65f6\u95f4\u76f8\u7b49
v\u6c7dt=½at²
t=2v\u6c7d/a=2*20m/s / 1m/s²=40s
v\u8d27=at=40m/s
\u30102\u3011\u5f00\u59cb\u8d27\u8f66\u521a\u542f\u52a8\u901f\u5ea6\u5c0f\u4e8e\u6c7d\u8f66\uff0c\u4e24\u8005\u8ddd\u79bb\u8d8a\u6765\u8d8a\u5927\uff0c\u5f53\u8d27\u8f66\u901f\u5ea6\u589e\u5927\u5230\u6bd4\u6c7d\u8f66\u5927\u4ee5\u540e\uff0c\u4e24\u8005\u8ddd\u79bb\u8d8a\u6765\u8d8a\u5c0f\uff0c\u5728\u4e24\u8005\u901f\u5ea6\u76f8\u540c\u65f6\u8ddd\u79bb\u6700\u5927\u3002
\u8d27\u8f66\u8fbe\u5230\u6c7d\u8f66\u901f\u5ea620m/s\uff0c\u6240\u7528\u65f6\u95f4 t1=v/a=20/1=20s
\u8ddd\u79bb=\u6c7d\u8f66\u4f4d\u79fb-\u8d27\u8f66\u4f4d\u79fb
=vt1 - ½at1²
=20*20 -½ * 1* 400
=200m
\u30103\u3011\u8d27\u8f66\u8fc7\u591a\u957f\u65f6\u95f4\u624d\u80fd\u8ffd\u4e0a\u5c0f\u6c7d\u8f66\uff1f \u6b64\u65f6\u8d27\u8f66\u7684\u901f\u5ea6\u662f\u591a\u5c11\uff1f
\u8d27\u8f66\u4f4d\u79fb=\u6c7d\u8f66\u4f4d\u79fb+d
\u706b\u8f66\u4ece\u8def\u53e3\u542f\u52a8\u540e\uff0c\u5728\u8ffd\u4e0a\u5c0f\u6c7d\u8f66\u524d\u7ecf\u8fc7\u591a\u957f\u65f6\u95f4\u4e24\u8f66\u76f8\u8ddd\u6700\u8fdc\uff1f\u6b64\u65f6\u7684\u8ddd\u79bb\u662f\u591a\u5c11\uff1f
\u8fbe\u5230\u6700\u8fdc\u8ddd\u79bb\u7684\u6761\u4ef6\u4e0d\u53d8
\u7b2c\u4e09\u95ee \u81ea\u5df1\u505a\u4e00\u4e0b
当u=0.7时
S1=(1/2)at^2=14=（1/2)0.7gt^2
当u=0.1时
S2=(1/2)at^2=（1/2)0.1gt^2
S1/S2=1/7 因为是S1=14m
所以S2=98m
解：由牛顿第二定律得 f=umg=am 故a=ug
正常时a1=7m/s^2
x1=v0^2/2a1得v0=14m/s
结冰时a2=1m/s^2
x2=v0^2/2a2=98m
用动能定理，初速度一样，末态静止，动能减少量相同，所以摩擦阻力做功相同
u1*mg*s1=u2*mg*s2
由已知u1=0.7,s1=14,u2=0.1
解得s2=98(m)
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绛旓細瑙ｏ細鐢遍锛宎B锛漹B2 2s 锛302 2脳1800 锛0.25m/s2锛庘憼A銆丅杞﹁繍鍔ㄩ熷害鐩哥瓑鎵鐢ㄧ殑鏃堕棿涓 t0锛漹B−vA aB 锛30−15 0.25 锛60s锛寈A=vAt0=15脳60=900m锛寈B锛漹B+vA 2 t0=30+15 2 脳60锛1350m 鍥爔B锛瀤A+d=1300锛屾晠涓よ溅浼氱浉鎾烇紟璁剧粡t鏃堕棿鐩告挒锛屽垯鏈 vBt−1 2 ...
绛旓細鏌愬瀷鍙锋苯杞﹀彂鍔ㄦ満鐨勯瀹氬姛鐜囦负60kW,鍦ㄦ按骞宠矾闈笂琛屼娇鏃跺彈鍒扮殑闃诲姏鏄1800N,姹傚彂鍔ㄦ満鍦ㄩ瀹氬姛鐜囦笅姹借溅鍖閫熻浣跨殑閫熷害.鍦ㄥ悓鏍风殑闃诲姏涓,濡傛灉琛屼娇閫熷害鍙湁54km/h,鍙戝姩鏈鸿緭鍑虹殑瀹為檯鍔熺巼鏄灏?瑙ｏ細鍖閫熻浣挎椂, 姹借溅鐨勭壍寮曞姏F =F闃= 1800N 鐢盤 =Fv 寰 v =P/F=60000/1800=120km/h 浠ヨ緝浣庣殑閫熷害琛屼娇鏃...
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