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m/s
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4
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I
II
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2012
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2013
瀛﹀勾搴︿笂瀛︽湡鏈熸湯鏁欏璐ㄩ噺妫�娴?/p>
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娉ㄦ剰锛?/p>
1.
鏈嵎婊″垎
100
鍒嗭紝鑰冭瘯鏃堕棿
90
鍒嗛挓銆?/p>
2.
璇峰皢绗?/p>
I
鍗疯瘯棰樼瓟妗堝～鍐欏湪绛旈绾稿搴旂殑绌烘牸澶勶紝绗?/p>
II
鍗风洿鎺ョ瓟鍦ㄧ瓟棰樼焊涓娿�?/p>
3.
鑰冭瘯缁撴潫鍚庯紝鍙氦绛旈绾搞�?/p>
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I
鍗凤紙鍏?/p>
60
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10
涓皬棰橈紝姣忓皬棰?/p>
4
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40
鍒嗐�傚湪姣忓皬棰樼粰鍑?/p>
鐨勫洓涓�夐」涓紝鏈夌殑灏忛鍙湁涓�涓�夐」绗﹀悎棰樼洰瑕佹眰锛屾湁鐨勫皬棰樻湁
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4
鍒嗭紝閫変笉鍏ㄥ緱
2
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涓嶇瓟鐨勫緱
0
鍒嗭級
1
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涓洦婊寸殑杩愬姩鎯呭喌鏄?/p>
A
锛庨�熷害涓嶆柇鍑忓皬锛屽姞閫熷害涓洪浂鏃讹紝閫熷害鏈�灏?/p>
B
锛庨�熷害涓嶆柇澧炲ぇ锛屽姞閫熷害涓洪浂鏃讹紝閫熷害鏈�澶?/p>
C
锛庝綅绉昏秺鏉ヨ秺灏?/p>
D
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2
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v
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t
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2
)
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A
锛庡皬鐞冧笅钀界殑鏈�澶ч�熷害涓?/p>
5 m/s
B
锛庣涓�娆″弽寮瑰垵閫熷害鐨勫ぇ灏忎负
3 m/s
C
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0.45 m
D
锛庡皬鐞冭兘寮硅捣鐨勬渶澶ч珮搴?/p>
1.25 m
3
锛庡鍥炬墍绀猴紝
I
銆?/p>
II
鍒嗗埆鏄敳銆佷箼涓ゅ皬鐞冧粠鍚屼竴鍦扮偣娌垮悓涓�鐩寸嚎杩愬姩鐨?/p>
v-t
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A
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B
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t
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2s
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C
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t
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8s
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D
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4.
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v
0
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g
2
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v
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2
鏃讹紝鎵�鐢ㄦ椂闂村彲鑳芥槸
A.
v
0
2
g
B.
v
0
g
C.
3
v
0
g
寰楀垎
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