求高一生物必修一的计算题。后注明答案。要标准的。越多越好。不胜感谢。
\u6c42\u9ad8\u4e00\u751f\u7269\u5fc5\u4fee\u4e00\u7684\u8ba1\u7b97\u9898\u3002\u540e\u6ce8\u660e\u7b54\u6848\u3002\u8981\u6807\u51c6\u7684\u3002\u8d8a\u591a\u8d8a\u597d\u3002\u4e0d\u80dc\u611f\u8c22\u3002\u5047\u8bbe\u7ec4\u6210\u86cb\u767d\u8d28\u768420\u79cd\u6c28\u57fa\u9178\u7684\u5e73\u5747\u5206\u5b50\u91cf\u4e3a128\uff0c \uff081\uff09\u5047\u8bbe\u4e00\u4e2a\u591a\u80bd\u5316\u5408\u7269\uff0c\u753110\u4e2a\u6c28\u57fa\u9178\u6784\u6210\u4e00\u6761\u80bd\u94fe\uff0c\u90a3\u4e48\u8be5\u591a\u80bd\u7684\u5206\u5b50\u91cf\u7ea6\u4e3a \u3002\uff082\uff09\u5047\u8bbe\u4e00\u4e2a\u591a\u80bd\u5316\u5408\u7269\uff0c\u753110\u4e2a\u6c28\u57fa\u9178\u6784\u6210\u4e24\u6761\u80bd\u94fe\uff0c\u90a3\u4e48\u8be5\u591a\u80bd\u7684\u5206\u5b50\u91cf\u7ea6\u4e3a \uff083\uff09\u5047\u8bbe\u4e00\u4e2a\u591a\u80bd\u5316\u5408\u7269\uff0c\u7531n\u4e2a\u6c28\u57fa\u9178\u6784\u6210m\u6761\u80bd\u94fe\uff0c\u90a3\u4e48\u8be5\u591a\u80bd\u7684\u5206\u5b50\u91cf\u7ea6\u4e3a \u3002 \u7b54\u6848\uff1a\uff081\uff091118\uff082\uff091136\uff083\uff09128n*18\uff08n-m\uff09
\u5f3a\u5316\u7ec3\u4e60\uff1a(1)10\u4e2a\u6c28\u57fa\u9178\u8131\u6c34\u7f29\u5408\u6210\u4e00\u6761\u80bd\u94fe\u7684\u5316\u5408\u7269\uff0c\u8fd9\u4e2a\u5316\u5408\u7269\u7684\u540d\u79f0\u4e3a \uff0c\u542b\u6709 \u4e2a\u80bd\u952e\uff0c\u5931\u53bb ______\u4e2a\u6c34\u5206\u5b50\u3002 (2)n\u4e2a\u6c28\u57fa\u9178\u8131\u6c34\u7f29\u5408\u6210\u4e00\u6761\u80bd\u94fe\u7684\u5316\u5408\u7269\uff0c\u8fd9\u4e2a\u5316\u5408\u7269\u7684\u540d\u79f0\u4e3a \uff0c\u542b\u6709 \u4e2a\u80bd\u952e\uff0c\u5931\u53bb \u4e2a\u6c34\u5206\u5b50\u3002(3)10\u4e2a\u6c28\u57fa\u9178\u8131\u6c34\u7f29\u5408\u6210\u4e24\u6761\u80bd\u94fe\uff0c\u8fd9\u4e24\u6761\u80bd\u94fe\u542b\u6709____ \u4e2a\u80bd\u952e\uff0c\u5931\u53bb \u4e2a\u6c34\u5206\u5b50\u3002(4)10\u4e2a\u6c28\u57fa\u9178\u8131\u6c34\u7f29\u5408\u6210\u4e09\u6761\u80bd\u94fe\uff0c\u8fd9\u4e09\u6761\u80bd\u94fe\u542b\u6709___\u4e2a\u80bd\u952e\uff0c\u5931\u53bb \u4e2a\u6c34\u5206\u5b50\u3002(5)n\u4e2a\u6c28\u57fa\u9178\u8131\u6c34\u7f29\u5408\u6210m\u6761\u80bd\u94fe\uff0c\u8fd9m\u6761\u80bd\u94fe\u542b\u6709_______\u4e2a\u80bd\u952e\uff0c\u5931\u53bb \u4e2a\u6c34\u5206\u5b50\u3002\u7b54\u6848\uff1a\uff081\uff099 \u5341\u80bd 9\uff082\uff09n-1 n\u80bd n-1 (3)8 8 (4)7 7 (5)n-m n-m
\u98981 \u5728\u540c\u4e00\u9ad8\u5ea6\u5904\u95f4\u9694\u65f6\u95f4t\u5148\u540e\u81ea\u7531\u91ca\u653e\u4e24\u5c0f\u7403A\u548cB\uff0c\u4e0d\u8ba1\u7a7a\u6c14\u963b\u529b\uff08 \uff09
A. \u4e24\u7403\u843d\u5730\u65f6\u95f4\u95f4\u9694\u4e3at
B. \u5728\u7a7a\u4e2d\u8fd0\u52a8\u65f6\u4e24\u7403\u901f\u5ea6\u5dee\u8d8a\u6765\u8d8a\u5927
C. \u5728\u7a7a\u4e2d\u8fd0\u52a8\u65f6\u4e24\u7403\u95f4\u8ddd\u8d8a\u6765\u8d8a\u5927
D. \u5728\u7a7a\u4e2d\u8fd0\u52a8\u65f6\u4e24\u7403\u95f4\u8ddd\u4fdd\u6301\u4e0d\u53d8
\u4eae\u70b9 \u6d89\u53ca\u4e24\u7403\u5728\u7a7a\u4e2d\u7684\u76f8\u5bf9\u8fd0\u52a8\uff0c\u662f\u4e00\u9053\u53ef\u91c7\u7528\u591a\u79cd\u89e3\u6cd5\u7684\u8fd0\u52a8\u5b66\u95ee\u9898\u3002
\u89e3\u6790 \u8fd9\u91cc\u63d0\u4f9b\u4e09\u79cd\u89e3\u6cd5\u3002
\u89e3\u6cd5\u4e00\uff08\u516c\u5f0f\u6cd5\uff0c\u4ee5\u5730\u9762\u4e3a\u53c2\u8003\u7cfb\uff09\uff1a
B\u7403\u91ca\u653e\u540et\u65f6\u523b\uff0cA\u7403\u5df2\u8fd0\u52a8\u65f6\u95f4t+t0\uff0c\u6b64\u65f6A\u3001B\u4e24\u7403\u7684\u901f\u5ea6\u548c\u4f4d\u79fb\u5206\u522b\u4e3a \uff0c \uff0c \uff0c \u3002
\u6240\u4ee5\uff0c \u6052\u91cf\uff1b \uff0c\u4e0et\u6709\u5173\u3002
\u6545\u5728\u7a7a\u4e2d\u8fd0\u52a8\u65f6\uff0c\u4e24\u7403\u901f\u5ea6\u5dee\u4e0d\u53d8\u800c\u8ddd\u79bb\u589e\u5927\u3002\u7531\u4e8e\u9ad8\u5ea6\u4e00\u6837\uff0c\u843d\u5730\u6240\u9700\u65f6\u95f4\u4e00\u6837\uff0c\u6545\u843d\u5730\u65f6\u95f4\u95f4\u9694\u4e3at\u3002\u6b63\u786e\u9009\u9879\u4e3aA\u3001C\u3002
\u89e3\u6cd5\u4e8c\uff08\u56fe\u8c61\u6cd5\uff09\uff1a
\u4f5c\u51fa\u4e24\u7403\u7684\u901f\u5ea6\u56fe\u8c61\u5982\u56fe2\uff0d34\u6240\u793a\uff0c\u4e24\u7403\u52a0\u901f\u5ea6\u76f8\u7b49\uff0c\u6545\u4e24\u76f4\u7ebf\u5e73\u884c\u3002\u7531\u56fe\u7ebf\u53ef\u4ee5\u770b\u51fa\uff0c\u5728t0~t\u65f6\u95f4\u6bb5\uff0c\u4e24\u7403\u901f\u5ea6\u5dee\u6052\u5b9a\u3002\u7531\u4e8e\u8d77\u70b9\u4f4d\u7f6e\u4e0d\u540c\uff0c\u5404\u65f6\u523bvA\uff1evB\u3002t0~t\u65f6\u95f4\u6bb5\u5185\u4e24\u56fe\u7ebf\u95f4\u5305\u56f4\u9762\u79ef\u8d8a\u6765\u8d8a\u5927\uff0c\u5373\u4e24\u7403\u95f4\u8ddd\u79bb\u8d8a\u6765\u8d8a\u5927\u3002\u663e\u7136\uff0c\u4e0b\u843d\u9ad8\u5ea6\u76f8\u540c\uff0c\u4e24\u56fe\u7ebf\u4e0et\u8f74\u5305\u56f4\u9762\u79ef\u5e94\u76f8\u7b49\uff0c\u843d\u5730\u65f6\u95f4\u95f4\u9694\u4e3at0\u3002\u6b63\u786e\u9009\u9879\u4e3aA\u3001C\u3002
\u89e3\u6cd5\u4e09\uff08\u516c\u5f0f\u6cd5\uff0c\u4ee5B\u4e3a\u53c2\u8003\u7cfb\uff09\uff1a
\u4ee5B\u4e3a\u53c2\u8003\u7cfb\uff0c\u5219\u5728\u4e24\u7403\u8fd0\u52a8\u8fc7\u7a0b\u4e2d\uff0cA\u7403\u7684\u76f8\u5bf9\u52a0\u901f\u5ea6
\uff0c
\u76f8\u5bf9\u901f\u5ea6 \uff0c\u4e0d\u53d8\u3002
\u5373A\u76f8\u5bf9\u4e8eB\u505a\u5300\u901f\u8fd0\u52a8\uff0c\u76f8\u5bf9\u4f4d\u79fb\u8d8a\u6765\u8d8a\u5927\u3002\u6240\u4ee5\uff0cA\u3001B\u901f\u5ea6\u5dee\u4fdd\u6301gt0\u6052\u5b9a\u4e0d\u53d8\uff0c\u800c\u8ddd\u79bb\u8d8a\u6765\u8d8a\u5927\u3002\u4e0b\u843d\u9ad8\u5ea6\u76f8\u540c\uff0c\u6545\u4e24\u7403\u843d\u5730\u65f6\u95f4\u95f4\u9694\u4e3at0\u3002\u6b63\u786e\u9009\u9879\u4e3aA\u3001C\u3002
\u8054\u60f3 \u65b9\u6cd5\u4e00\u901a\u8fc7\u7814\u7a76\u4efb\u610f\u65f6\u523b\u7269\u4f53\u7684\u8fd0\u52a8\u60c5\u51b5\u6765\u7814\u7a76\u8fd0\u52a8\u5168\u8fc7\u7a0b\uff0c\u8fd9\u79cd\u7814\u7a76\u65b9\u6cd5\u503c\u5f97\u501f\u9274\uff1b\u65b9\u6cd5\u4e8c\u5229\u7528\u56fe\u8c61\u5206\u6790\uff0c\u76f4\u89c2\u660e\u4e86\uff1b\u65b9\u6cd5\u4e09\u4ece\u76f8\u5bf9\u8fd0\u52a8\u51fa\u53d1\u8003\u8651\u95ee\u9898\uff0c\u5206\u6790\u5de7\u5999\u7b80\u6377\u3002\u4ece\u4e0d\u540c\u89d2\u5ea6\u8fd0\u7528\u591a\u79cd\u65b9\u6cd5\u6c42\u89e3\u7269\u7406\u95ee\u9898\uff0c\u6709\u5229\u4e8e\u57f9\u517b\u81ea\u5df1\u7684\u53d1\u6563\u601d\u7ef4\u80fd\u529b\u3002
\u98982 \u5982\u56fe2\uff0d\u6240\u793a\uff0cAB\u3001CO\u4e3a\u4e92\u76f8\u5782\u76f4\u7684\u4e01\u5b57\u5f62\u516c\u8def\uff0cCB\u4e3a\u4e00\u659c\u76f4\u5c0f\u8def\uff0cCB\u4e0eCO\u621060\u00b0\u89d2\uff0cCO\u95f4\u8ddd300m\u3002\u4e00\u9003\u72af\u9a91\u7740\u6469\u6258\u8f66\u4ee545km/h\u7684\u901f\u5ea6\u6b63\u6cbfAB\u516c\u8def\u9003\u7a9c\u3002\u5f53\u9003\u72af\u9014\u5f84\u8def\u53e3O\u5904\u65f6\uff0c\u5b88\u5019\u5728C\u5904\u7684\u516c\u5b89\u5e72\u8b66\u7acb\u5373\u4ee51.2m/s2\u7684\u52a0\u901f\u5ea6\u542f\u52a8\u8b66\u8f66\uff0c\u8b66\u8f66\u6240\u80fd\u8fbe\u5230\u7684\u6700\u5927\u901f\u5ea6\u4e3a120km/h\u3002
\uff081\uff09\u82e5\u516c\u5b89\u5e72\u8b66\u6cbfCOB\u8def\u5f84\u8ffd\u6355\u9003\u72af\uff0c\u5219\u7ecf\u8fc7\u591a\u957f\u65f6\u95f4\u5728\u4f55\u5904\u80fd\u5c06\u9003\u72af\u622a\u83b7?
\uff082\uff09\u82e5\u516c\u5b89\u5e72\u8b66\u6284CB\u8fd1\u8def\u5230\u8fbeB\u5904\u65f6\uff0c\u9003\u72af\u53c8\u4ee5\u539f\u901f\u7387\u6389\u5934\u5411\u76f8\u53cd\u65b9\u5411\u9003\u7a9c\uff0c\u516c\u5b89\u5e72\u8b66\u5219\u7ee7\u7eed\u6cbfBA\u65b9\u5411\u8ffd\u8d76\uff0c\u5219\u603b\u5171\u7ecf\u591a\u957f\u65f6\u95f4\u5728\u4f55\u5904\u80fd\u5c06\u9003\u72af\u622a\u83b7?\uff08\u4e0d\u8003\u8651\u6469\u6258\u8f66\u548c\u8b66\u8f66\u8f6c\u5411\u7684\u65f6\u95f4\uff09
\u4eae\u70b9 \u672c\u9898\u5c06\u8fd0\u52a8\u5b66\u4e2d\u7684\u8ffd\u53ca\u95ee\u9898\u521b\u8bbe\u5728\u516c\u5b89\u5e72\u8b66\u8ffd\u622a\u9003\u72af\u7684\u60c5\u666f\u4e4b\u4e2d\uff0c\u4ee4\u4eba\u8033\u76ee\u4e00\u65b0\u3002
\u89e3\u6790 \uff081\uff09\u6469\u6258\u8f66\u7684\u901f\u5ea6 m/s\uff1d15m/s\uff0c
\u8b66\u8f66\u7684\u6700\u5927\u901f\u5ea6 m/s\u224833.33m/s\u3002
\u8b66\u8f66\u8fbe\u6700\u5927\u901f\u5ea6\u7684\u65f6\u95f4 \u224827.78s\uff0c\u884c\u9a76\u7684\u8ddd\u79bb \u2248462.95m\u3002
\u5728t1\u65f6\u95f4\u5185\u6469\u6258\u8f66\u884c\u9a76\u7684\u8ddd\u79bb
=15\u00d727.78m\uff1d416.7m\u3002
\u56e0\u4e3a \uff1d162.95m\uff1c \uff0c\u6545\u8b66\u8f66\u5728t1\u65f6\u95f4\u5185\u5c1a\u672a\u8ffd\u4e0a\u6469\u6258\u8f66\uff0c\u76f8\u9694\u8ddd\u79bb
\uff1d253.75m\u3002
\u8bbe\u9700\u518d\u7ecf\u65f6\u95f4t2\uff0c\u8b66\u8f66\u624d\u80fd\u8ffd\u4e0a\u6469\u6258\u8f66\uff0c\u5219
\u224813.84s\u3002
\u4ece\u800c\uff0c\u622a\u83b7\u9003\u72af\u603b\u5171\u6240\u9700\u65f6\u95f4 \uff1d41.6s, \u622a\u83b7\u5904\u5728OB\u65b9\u5411\u8dddO\u5904\u8ddd\u79bb\u4e3a
\uff1d624m\u3002
\uff082\uff09\u7531\u51e0\u4f55\u5173\u7cfb\u53ef\u77e5\uff0c \uff1d600m\uff0c\u56e0 \uff1c \uff0c\u6545\u8b66\u8f66\u6284CB\u8fd1\u8def\u8fbe\u6700\u5927\u901f\u5ea6\u65f6\u5c1a\u672a\u5230\u8fbeB\u70b9\u3002\u8bbe\u518d\u7ecf\u8fc7 \u65f6\u95f4\u5230\u8fbeB\u70b9\uff0c\u5219
\u22484.11s\u3002
\u5728\uff08 \uff09\u65f6\u95f4\u5185\u6469\u6258\u8f66\u884c\u9a76\u7684\u8ddd\u79bb
\uff1d478.35m\uff0c
\u6b64\u65f6\u6469\u6258\u8f66\u8dddB\u70b9 \u224841.27m\u3002
\u6b64\u540e\u9003\u72af\u6389\u5934\u5411\u76f8\u53cd\u65b9\u5411\u9003\u7a9c.\u8bbe\u9700\u518d\u7ecf\u65f6\u95f4 \u8b66\u8f66\u624d\u80fd\u8ffd\u4e0a\u9003\u72af\uff0c\u5219
\u22482.25s\u3002
\u4ece\u800c\uff0c\u622a\u83b7\u9003\u72af\u603b\u5171\u6240\u9700\u65f6\u95f4
\u224834.1s\u3002
\u622a\u83b7\u5904\u5728OB\u95f4\u8dddO\u5904
\uff1d444.6m\u3002
\u8054\u60f3 \u672c\u9898\u6d89\u53ca\u6469\u6258\u8f66\u7684\u5300\u901f\u8fd0\u52a8\uff0c\u4ee5\u53ca\u8b66\u8f66\u7684\u5300\u52a0\u901f\u8fd0\u52a8\u548c\u5300\u901f\u8fd0\u52a8\u3002\u4ed4\u7ec6\u5206\u6790\u8b66\u8f66\u548c\u6469\u6258\u8f66\u7684\u8fd0\u52a8\u8fc7\u7a0b\uff0c\u5bfb\u627e\u4e24\u8005\u5728\u8fd0\u52a8\u65f6\u95f4\u548c\u8def\u7a0b\u4e0a\u7684\u8054\u7cfb\uff0c\u6b64\u7c7b\u95ee\u9898\u5c31\u4e0d\u96be\u5f97\u5230\u987a\u5229\u89e3\u51b3\u3002
\u98983 \u7532\u3001\u4e59\u4e24\u4e2a\u540c\u5b66\u5728\u76f4\u8dd1\u9053\u4e0a\u7ec3\u4e604 100m\u63a5\u529b\uff0c\u4ed6\u4eec\u5728\u5954\u8dd1\u65f6\u6709\u76f8\u540c\u7684\u6700\u5927\u901f\u5ea6\u3002\u4e59\u4ece\u9759\u6b62\u5f00\u59cb\u5168\u529b\u5954\u8dd1\u9700\u8dd1\u51fa25m\u624d\u80fd\u8fbe\u5230\u6700\u5927\u901f\u5ea6\uff0c\u8fd9\u4e00\u8fc7\u7a0b\u53ef\u770b\u4f5c\u5300\u53d8\u901f\u8fd0\u52a8\u3002\u73b0\u7532\u6301\u68d2\u4ee5\u6700\u5927\u901f\u5ea6\u5411\u4e59\u5954\u6765\uff0c\u4e59\u5728\u63a5\u529b\u533a\u4f3a\u673a\u5168\u529b\u5954\u51fa\u3002\u82e5\u8981\u6c42\u4e59\u63a5\u68d2\u65f6\u5954\u8dd1\u8fbe\u5230\u6700\u5927\u901f\u5ea6\u768480%\uff0c\u5219
\uff081\uff09\u4e59\u5728\u63a5\u529b\u533a\u987b\u5954\u51fa\u591a\u5927\u8ddd\u79bb\uff1f
\uff082\uff09\u4e59\u5e94\u5728\u8ddd\u79bb\u7532\u591a\u8fdc\u65f6\u8d77\u8dd1\uff1f
\u4eae\u70b9 \u672c\u9898\u521b\u8bbe\u4e86\u4e00\u4e2a\u63a5\u529b\u8d5b\u8dd1\u7684\u7269\u7406\u60c5\u666f\uff0c\u7d27\u5bc6\u8054\u7cfb\u540c\u5b66\u4eec\u7684\u751f\u6d3b\u5b9e\u9645\u3002
\u89e3\u6790 \uff081\uff09\u8bbe\u4e24\u4eba\u5954\u8dd1\u7684\u6700\u5927\u901f\u5ea6\u4e3av0\uff0c\u5219\u5728\u4e59\u4ece\u9759\u6b62\u5f00\u59cb\u5168\u529b\u5954\u8dd1\u8fbe\u5230\u6700\u5927\u901f\u5ea6\u7684\u8fc7\u7a0b\uff0c\u4ee5\u53ca\u4e59\u63a5\u68d2\u65f6\u5954\u8dd1\u8fbe\u5230\u6700\u5927\u901f\u5ea6\u768480%\u7684\u8fc7\u7a0b\uff0c\u5206\u522b\u5e94\u7528\u5300\u53d8\u901f\u76f4\u7ebf\u8fd0\u52a8\u901f\u5ea6\u2014\u4f4d\u79fb\u5173\u7cfb\u5f0f\uff0c\u6709 v2=2ax\uff0c(0.80v)2=2ax\u2019\uff0c
\u7531\u4ee5\u4e0a\u4e24\u5f0f\u53ef\u89e3\u5f97\u4e59\u5728\u63a5\u529b\u533a\u987b\u5954\u51fa\u7684\u8ddd\u79bb
x\u2019=0.64x=0.64\u00d725m=16m\u3002
\uff082\uff09\u8bbe\u4e59\u5728\u8ddd\u7532\u4e3ax0\u5904\u5f00\u59cb\u8d77\u8dd1\uff0c\u5230\u4e59\u63a5\u68d2\u65f6\u8dd1\u8fc7\u7684\u8ddd\u79bb\u4e3ax\u2019\uff0c\u6240\u7ecf\u5386\u7684\u65f6\u95f4\u4e3at\uff0c\u5219\u7532\u3001\u4e59\u4e24\u4eba\u5728\u65f6\u95f4t\u5185\u901a\u8fc7\u7684\u4f4d\u79fb\u6709\u5982\u4e0b\u5173\u7cfb\uff1a
vt=x0+x\u2019\uff0c
\u53c8\u7531\u5e73\u5747\u901f\u5ea6\u6c42\u4f4d\u79fb\u7684\u516c\u5f0f\u53ef\u77e5\u4e59\u7684\u4f4d\u79fb
\uff0c
\u4ece\u800c\u7531\u4ee5\u4e0a\u4e24\u5f0f\u53ef\u89e3\u5f97 x0=1.5 x\u2019=1.5\u00d716m=24m\u3002
\u8054\u60f3 \u6c42\u89e3\u672c\u9898\u9996\u5148\u8981\u719f\u6089\u63a5\u529b\u8d5b\u8dd1\u4e2d\u68d2\u7684\u4f20\u63a5\u8fc7\u7a0b\uff0c\u5bfb\u627e\u4e24\u4eba\u8fd0\u52a8\u7684\u8054\u7cfb\u3002\u4f53\u80b2\u8fd0\u52a8\u4e2d\u6709\u8bb8\u591a\u95ee\u9898\u6d89\u53ca\u8fd0\u52a8\u5b66\u5185\u5bb9\uff0c\u8981\u6ce8\u610f\u89c2\u5bdf\u751f\u6d3b\uff0c\u5584\u4e8e\u5efa\u7acb\u7269\u7406\u6a21\u578b\u3002
\u98984 \u7f9a\u7f8a\u4ece\u9759\u6b62\u5f00\u59cb\u5954\u8dd1\uff0c\u7ecf\u8fc7s1=50m\u7684\u8ddd\u79bb\u80fd\u52a0\u901f\u5230\u6700\u5927\u901f\u5ea6v1=25m/s\uff0c\u5e76\u80fd\u7ef4\u6301\u4e00\u6bb5\u8f83\u957f\u7684\u65f6\u95f4\u3002\u730e\u8c79\u4ece\u9759\u6b62\u5f00\u59cb\u5954\u8dd1\uff0c\u7ecf\u8fc7s2=60m\u7684\u8ddd\u79bb\u80fd\u52a0\u901f\u5230\u6700\u5927\u901f\u5ea6v2=30m/s\uff0c\u4ee5\u540e\u53ea\u80fd\u7ef4\u6301\u8fd9\u4e2a\u901f\u5ea64.0s\u3002\u8bbe\u730e\u8c79\u8ddd\u79bb\u7f9a\u7f8ax\u65f6\u5f00\u59cb\u653b\u51fb\uff0c\u7f9a\u7f8a\u5219\u5728\u730e\u8c79\u5f00\u59cb\u653b\u51fb\u540e1.0s\u5f00\u59cb\u5954\u8dd1\uff0c\u5047\u8bbe\u7f9a\u7f8a\u548c\u730e\u8c79\u5728\u52a0\u901f\u9636\u6bb5\u5206\u522b\u505a\u5300\u52a0\u901f\u8fd0\u52a8\uff0c\u4e14\u5747\u6cbf\u540c\u4e00\u76f4\u7ebf\u5954\u8dd1\uff0c\u95ee\uff1a
(1) \u730e\u8c79\u8981\u5728\u8fbe\u6700\u5927\u901f\u5ea6\u4e14\u672a\u51cf\u901f\u524d\u8ffd\u5230\u7f9a\u7f8a\uff0cx\u503c\u5e94\u5728\u4ec0\u4e48\u8303\u56f4\uff1f
(2) \u730e\u8c79\u8981\u5728\u5176\u52a0\u901f\u9636\u6bb5\u8ffd\u4e0a\u7f9a\u7f8a\uff0cx\u503c\u5e94\u5728\u4ec0\u4e48\u8303\u56f4\uff1f
\u4eae\u70b9 \u95ee\u9898\u8054\u7cfb\u5b9e\u9645\uff0c\u5bcc\u4e8e\u751f\u6d3b\u6c14\u606f\u3002\u730e\u8c79\u8ffd\u4e0a\u7f9a\u7f8a\u65f6\uff0c\u7f9a\u7f8a\u7684\u8fd0\u52a8\u60c5\u51b5\u6709\u5f85\u786e\u5b9a\u3002
\u89e3\u6790 (1) \u730e\u8c79\u5728\u8fbe\u6700\u5927\u901f\u5ea6\u4e14\u5c1a\u672a\u51cf\u901f\u524d\u8ffd\u5230\u7f9a\u7f8a\uff0c\u5373\u730e\u8c79\u7684\u8fd0\u52a8\u53ea\u80fd\u662f\u5148\u5300\u52a0\u901f\u8fd0\u52a8\u540e\u5300\u901f\u8fd0\u52a8\u3002\u8bbe\u730e\u8c79\u5728\u7ef4\u6301\u6700\u5927\u901f\u5ea6\u7684\u65f6\u95f4t\u5185\u8ffd\u5230\u7f9a\u7f8a\uff0c\u7531\u9898\u610f\u77e5t\u22644.0s\u3002
\u73b0\u5728\u6211\u4eec\u9996\u5148\u63a2\u7d22\u7684\u95ee\u9898\u662f\uff1a\u5f53\u730e\u8c79\u8ffd\u4e0a\u7f9a\u7f8a\u65f6\uff0c\u7f9a\u7f8a\u7684\u8fd0\u52a8\u60c5\u51b5\u5982\u4f55\uff1f\u4e3a\u6b64\uff0c\u6211\u4eec\u53ef\u5148\u5206\u522b\u6c42\u51fa\u7f9a\u7f8a\u548c\u730e\u8c79\u505a\u52a0\u901f\u8fd0\u52a8\u7684\u52a0\u901f\u5ea6\u548c\u65f6\u95f4\u3002
\u7f9a\u7f8a\u505a\u52a0\u901f\u8fd0\u52a8\u7684\u52a0\u901f\u5ea6\u4e3a
m/s2=6.25m/s2\uff0c
\u7f9a\u7f8a\u505a\u52a0\u901f\u8fd0\u52a8\u7684\u65f6\u95f4\u4e3a s=4.0s\uff1b
\u800c\u730e\u8c79\u505a\u52a0\u901f\u8fd0\u52a8\u7684\u52a0\u901f\u5ea6\u4e3a
m/s2=7.5m/s2\uff0c
\u730e\u8c79\u505a\u52a0\u901f\u8fd0\u52a8\u7684\u65f6\u95f4\u4e3a s=4.0s\u3002
\u2460\u82e5\u730e\u8c79\u521a\u8fbe\u5230\u6700\u5927\u901f\u5ea6\u65f6\u8ffd\u4e0a\u7f9a\u7f8a\uff0c\u5219\u7f9a\u7f8a\u53ea\u52a0\u901f\u4e86t\u2019=3s\uff0c\u6709
m m=32m\uff1b
\u2461\u82e5\u730e\u8c79\u521a\u8981\u51cf\u901f\u65f6\u8ffd\u4e0a\u7f9a\u7f8a\uff0c\u5219\u6709
m m m=55m\u3002
\u7531\u6b64\u53ef\u77e5\uff0c\u730e\u8c79\u8981\u5728\u8fbe\u6700\u5927\u901f\u5ea6\u4e14\u672a\u51cf\u901f\u524d\u8ffd\u5230\u7f9a\u7f8a\uff0cx\u503c\u5e94\u4e3a
32m\u2264x\u226455m\u3002
(2) \u7f9a\u7f8a\u521a\u8981\u5f00\u59cb\u5954\u8dd1\u65f6\uff0c\u730e\u8c79\u5df2\u524d\u8fdb\u7684\u8ddd\u79bb
m=3.75m\u3002
\u7531\u6b64\u53ef\u77e5\u3002\u730e\u8c79\u8981\u5728\u5176\u52a0\u901f\u9636\u6bb5\u8ffd\u4e0a\u7f9a\u7f8a\uff0cx\u503c\u5e94\u4e3a
3.75m\u2264x\u226432m\u3002
\u8054\u60f3 \u672c\u9898\u7684\u6c42\u89e3\u544a\u8bc9\u6211\u4eec\uff0c\u7814\u7a76\u7269\u4f53\u7684\u8fd0\u52a8\uff0c\u9996\u5148\u8981\u5206\u6790\u6e05\u695a\u7269\u4f53\u7684\u8fd0\u52a8\u8fc7\u7a0b\u3002\u7279\u522b\u662f\u5f53\u7269\u4f53\u6709\u591a\u4e2a\u8fd0\u52a8\u9636\u6bb5\u65f6\uff0c\u5fc5\u987b\u660e\u786e\u95ee\u9898\u6240\u7814\u7a76\u7684\u662f\u8fd0\u52a8\u7684\u54ea\u4e00\u4e2a\u9636\u6bb5\u3002\u5f53\u95ee\u9898\u6d89\u53ca\u591a\u4e2a\u7269\u4f53\u7684\u8fd0\u52a8\u65f6\uff0c\u5e94\u5148\u5206\u522b\u72ec\u7acb\u7814\u7a76\u5404\u4e2a\u7269\u4f53\u7684\u8fd0\u52a8\uff0c\u7136\u540e\u627e\u51fa\u5b83\u4eec\u4e4b\u95f4\u7684\u8054\u7cfb\u3002
\u98985 \u5728\u67d0\u5e02\u533a\u5185\uff0c\u4e00\u8f86\u5c0f\u6c7d\u8f66\u5728\u516c\u8def\u4e0a\u4ee5\u901f\u5ea6v1\u5411\u4e1c\u884c\u9a76\uff0c\u4e00\u4f4d\u89c2\u5149\u6e38\u5ba2\u6b63\u7531\u5357\u5411\u5317\u4ece\u6591\u9a6c\u7ebf\u4e0a\u6a2a\u8fc7\u9a6c\u8def\u3002\u6c7d\u8f66\u53f8\u673a\u53d1\u73b0\u6e38\u5ba2\u9014\u5f84D\u5904\u65f6\uff0c\u7ecf\u8fc70.7s\u4f5c\u51fa\u53cd\u5e94\u7d27\u6025\u5239\u8f66\uff0c\u4f46\u4ecd\u5c06\u6b63\u6b65\u884c\u81f3B\u5904\u7684\u6e38\u5ba2\u649e\u4f24\uff0c\u8be5\u6c7d\u8f66\u6700\u7ec8\u5728C\u5904\u505c\u4e0b\uff0c\u5982\u56fe2\uff0d36\u6240\u793a\u3002\u4e3a\u4e86\u5224\u65ad\u6c7d\u8f66\u53f8\u673a\u662f\u5426\u8d85\u901f\u884c\u9a76\u4ee5\u53ca\u6e38\u5ba2\u6a2a\u7a7f\u9a6c\u8def\u7684\u901f\u5ea6\u662f\u5426\u8fc7\u5feb\uff0c\u8b66\u65b9\u6d3e\u4e00\u8b66\u8f66\u4ee5\u6cd5\u5b9a\u6700\u9ad8\u901f\u5ea6vm\uff1d14.0m/s\u884c\u9a76\u5728\u540c\u4e00\u9a6c\u8def\u7684\u540c\u4e00\u5730\u6bb5\uff0c\u5728\u8087\u4e8b\u6c7d\u8f66\u7684\u8d77\u59cb\u5236\u52a8\u70b9A\u7d27\u6025\u5239\u8f66\uff0c\u7ecf14.0m\u540e\u505c\u4e0b\u6765\u3002\u5728\u4e8b\u6545\u73b0\u573a\u6d4b\u5f97 \uff1d17.5m\uff0c \uff1d14.0m\uff0c \uff1d2.6m\u3002\u8087\u4e8b\u6c7d\u8f66\u7684\u5239\u8f66\u6027\u80fd\u826f\u597d\uff0c\u95ee\uff1a
\uff081\uff09\u8be5\u8087\u4e8b\u6c7d\u8f66\u7684\u521d\u901f\u5ea6vA\u662f\u591a\u5927?
\uff082\uff09\u6e38\u5ba2\u6a2a\u8fc7\u9a6c\u8def\u7684\u901f\u5ea6\u662f\u591a\u5927?
\u4eae\u70b9 \u672c\u9898\u6d89\u53ca\u4ea4\u901a\u4e8b\u6545\u7684\u8ba4\u5b9a\uff0c\u7269\u7406\u60c5\u666f\u7d27\u5bc6\u8054\u7cfb\u751f\u6d3b\u5b9e\u9645\uff0c\u4e3b\u8981\u8bad\u7ec3\u5b66\u751f\u7684\u4fe1\u606f\u6c72\u53d6\u80fd\u529b\u548c\u5206\u6790\u63a8\u7406\u80fd\u529b\u3002
\u89e3\u6790 \uff081\uff09\u8b66\u8f66\u548c\u8087\u4e8b\u6c7d\u8f66\u5239\u8f66\u540e\u5747\u505a\u5300\u51cf\u901f\u8fd0\u52a8\uff0c\u5176\u52a0\u901f\u5ea6\u5927\u5c0f
\uff0c
\u4e0e\u8f66\u5b50\u7684\u8d28\u91cf\u65e0\u5173\uff0c\u53ef\u5c06\u8b66\u8f66\u548c\u8087\u4e8b\u6c7d\u8f66\u505a\u5300\u51cf\u901f\u8fd0\u52a8\u7684\u52a0\u901f\u5ea6a\u7684\u5927\u5c0f\u89c6\u4f5c\u76f8\u7b49\u3002
\u5bf9\u8b66\u8f66\uff0c\u6709 \uff1b\u5bf9\u8087\u4e8b\u6c7d\u8f66\uff0c\u6709 \uff0c\u5219
\uff0c\u5373 \uff0c
\u6545 \uff1d21m/s\u3002
\uff082\uff09\u5bf9\u8087\u4e8b\u6c7d\u8f66\uff0c\u7531 \u5f97
\uff0c
\u6545\u8087\u4e8b\u6c7d\u8f66\u81f3\u51fa\u4e8b\u70b9B\u7684\u901f\u5ea6\u4e3a
\uff1d14.0m/s\u3002
\u8087\u4e8b\u6c7d\u8f66\u4ece\u5239\u8f66\u70b9\u5230\u51fa\u4e8b\u70b9\u7684\u65f6\u95f4
\uff1d1s\uff0c
\u53c8\u53f8\u673a\u7684\u53cd\u5e94\u65f6\u95f4t0\uff1d0.7s\uff0c\u6545\u6e38\u5ba2\u6a2a\u8fc7\u9a6c\u8def\u7684\u901f\u5ea6
m/s\u22481.53m/s\u3002
\u8054\u60f3 \u4ece\u4e0a\u9762\u7684\u5206\u6790\u6c42\u89e3\u53ef\u77e5\uff0c\u8087\u4e8b\u6c7d\u8f66\u4e3a\u8d85\u901f\u884c\u9a76\uff0c\u800c\u6e38\u5ba2\u7684\u884c\u8d70\u901f\u5ea6\u5e76\u4e0d\u5feb\u3002\u4f60\u80fd\u8fdb\u4e00\u6b65\u6c42\u51fa\uff0c\u5728\u9898\u7ed9\u60c5\u51b5\u4e0b\u6c7d\u8f66\u5b89\u5168\u884c\u9a76\u7684\u6700\u9ad8\u9650\u901f\u5417\uff1f
\u98986 \u7532\u3001\u4e59\u4e24\u8f66\u76f8\u8ddd\u4e3as\uff0c\u540c\u65f6\u540c\u5411\u8fd0\u52a8\uff0c\u4e59\u5728\u524d\u9762\u505a\u52a0\u901f\u5ea6\u4e3aa1\u3001\u521d\u901f\u5ea6\u4e3a\u96f6\u7684\u5300\u52a0\u901f\u8fd0\u52a8\uff0c\u7532\u5728\u540e\u9762\u505a\u52a0\u901f\u5ea6\u4e3aa2\u3001\u521d\u901f\u5ea6\u4e3av0\u7684\u5300\u52a0\u901f\u8fd0\u52a8\uff0c\u8bd5\u8ba8\u8bba\u4e24\u8f66\u5728\u8fd0\u52a8\u8fc7\u7a0b\u4e2d\u76f8\u9047\u6b21\u6570\u4e0e\u52a0\u901f\u5ea6\u7684\u5173\u7cfb\u3002
\u4eae\u70b9 \u6d89\u53ca\u4e24\u8f66\u76f8\u9047\u6b21\u6570\u7684\u6761\u4ef6\u578b\u8ba8\u8bba\u9898\uff0c\u9700\u5177\u5907\u8f83\u5f3a\u7684\u5206\u6790\u7efc\u5408\u80fd\u529b\u3002
\u89e3\u6790 \u8fd9\u91cc\u63d0\u4f9b\u4e24\u79cd\u89e3\u6cd5\u3002
\u89e3\u6cd5\u4e00\uff08\u7269\u7406\u65b9\u6cd5\uff09\uff1a
\u7531\u4e8e\u4e24\u8f66\u540c\u65f6\u540c\u5411\u8fd0\u52a8\uff0c\u6545\u6709
v\u7532= v0+ a2t\uff0cv\u4e59= a1t\u3002
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v0\u2264 \u3002
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\u98988 \u7532\u3001\u4e59\u4e24\u8f66\u5728\u540c\u4e00\u6761\u5e73\u76f4\u516c\u8def\u4e0a\u884c\u9a76\uff0c\u7532\u8f66\u4ee5v1=10m/s\u7684\u901f\u5ea6\u505a\u5300\u901f\u8fd0\u52a8\uff0c\u7ecf\u8fc7\u8f66\u7ad9A\u65f6\u5173\u95ed\u6cb9\u95e8\u4ee5a1=4m/s2\u7684\u52a0\u901f\u5ea6\u5300\u51cf\u901f\u524d\u8fdb\u30022s\u540e\u8f66\u4e0e\u7532\u8f66\u540c\u65b9\u5411\u4ee5a2=1m/s2\u7684\u52a0\u901f\u5ea6\u4ece\u540c\u4e00\u8f66\u7ad9A\u51fa\u53d1\uff0c\u7531\u9759\u6b62\u5f00\u59cb\u505a\u5300\u52a0\u901f\u76f4\u7ebf\u8fd0\u52a8\u3002\u95ee\u4e59\u8f66\u51fa\u53d1\u540e\u7ecf\u591a\u957f\u65f6\u95f4\u8ffd\u4e0a\u7532\u8f66\uff1f
\u4eae\u70b9 \u88ab\u8ffd\u7684\u7269\u4f53\u505a\u5300\u51cf\u901f\u76f4\u7ebf\u8fd0\u52a8\uff0c\u88ab\u8ffd\u4e0a\u524d\u5df2\u505c\u6b62\u8fd0\u52a8\uff0c\u6c42\u89e3\u65f6\u5bb9\u6613\u51fa\u9519\u3002
\u89e3\u6790 \u8fd9\u91cc\u63d0\u4f9b\u4e24\u79cd\u89e3\u6cd5\u3002
\u89e3\u6cd5\u4e00\uff08\u516c\u5f0f\u6cd5\uff09\uff1a
\u7532\u3001\u4e59\u4e24\u8f66\u81ea\u540c\u4e00\u5730\u70b9\u4e8e\u4e0d\u540c\u65f6\u523b\u5f00\u59cb\u8fd0\u52a8\uff0c\u4e59\u8f66\u51fa\u53d1\u65f6\u7532\u8f66\u5177\u6709\u7684\u901f\u5ea6\u4e3a
m/s m/s=2 m/s\uff0c
\u6b64\u65f6\u79bb\u7532\u8f66\u505c\u6b62\u8fd0\u52a8\u7684\u65f6\u95f4 s=0.5s\u3002
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\u7532\u8f66\u505c\u6b62\u65f6\u79bb\u8f66\u7ad9A\u7684\u8ddd\u79bb m=12.5m\uff0c
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