銆婂ぇ瀛︾墿鐞嗗疄楠屻�嬫ā鎷熻瘯鍗?/p>
涓�銆佸～绌洪锛?/p>
20
鍒嗭紝姣忛
2
鍒嗭級
1
锛庝緷鐓ф祴閲忔柟娉曠殑涓嶅悓锛屽彲灏嗘祴閲忓垎涓?/p>
鐩存帴娴嬮噺
鍜?/p>
闂存帴娴嬮噺
涓ゅぇ绫汇�?/p>
2
锛庤宸骇鐢熺殑鍘熷洜寰堝锛屾寜鐓ц宸骇鐢熺殑鍘熷洜鍜屼笉鍚屾�ц川锛屽彲灏嗚宸垎涓虹枏
澶辫宸�?/p>
闅忔満璇樊
鍜?/p>
绯荤粺璇樊
銆?/p>
3
锛庢祴閲忎腑鐨勮宸灞?/p>
闅忔満
璇樊锛涘ぉ骞充笉绛夎噦浜х敓
鐨勮宸睘浜?/p>
绯荤粺
璇樊銆?/p>
4
锛庡凡鐭ユ煇鍦伴噸鍔涘姞閫熷害鍊间负
9.794m/s
2
锛岀敳銆佷箼銆佷笝涓変汉娴嬮噺鐨勭粨鏋滀緷娆″垎鍒?/p>
涓猴細
9.790
卤
0.024m/s
2
銆?/p>
9.811
卤
0.004m/s
2
銆?/p>
9.795卤
0.006m/s
2
锛屽叾涓簿瀵嗗害鏈�楂樼殑鏄?/p>
涔?/p>
锛屽噯纭害鏈�楂樼殑鏄?/p>
涓?/p>
銆?/p>
5
锛庣疮鍔犳斁澶ф祴閲忔柟娉曠敤鏉ユ祴閲?/p>
鐗╃悊閲忥紝浣跨敤璇ユ柟娉曠殑鐩殑鏄噺
灏忎华鍣ㄩ�犳垚鐨勮宸粠鑰屽噺灏忎笉纭畾搴︺�傝嫢浠櫒鐨勬瀬闄愯宸负
0.4
锛岃姹傛祴閲忕殑涓嶇‘
瀹氬害灏忎簬
0.04
锛屽垯绱姞鍊嶆暟
N
锛?/p>
銆?/p>
6
锛庣ず娉㈠櫒鐨勭ず娉㈢涓昏鐢?/p>
銆?/p>
鍜岃崸鍏夊睆缁勬垚銆?/p>
7
锛庡凡鐭?/p>
y=2X
1
-3X
2
+5X
3
锛岀洿鎺ユ祴閲忛噺
X
1
锛?/p>
X
2
锛?/p>
X
3
鐨勪笉纭畾搴﹀垎鍒负
螖
X
1
銆?/p>
螖
X
2
銆?/p>
螖
X
3
锛屽垯闂存帴娴嬮噺閲忕殑涓嶇‘瀹氬害
螖
y=
銆?/p>
8
锛?/p>
鐢ㄥ厜鏉犳潌娴嬪畾閽㈡潗鏉ㄦ皬寮规�фā閲忥紝
鑻ュ厜鏉犳潌甯告暟
锛堝弽灏勯暅涓よ冻灏栧瀭鐩磋窛绂伙級
d=
7.00cm
锛屾爣灏鸿嚦骞抽潰闀滈潰姘村钩璺濈
D
=105.0
銕濓紝姹傛鏃跺厜鏉犳潌鐨勬斁澶у�嶆暟
K=
銆?/p>
9
銆佸浜?/p>
0.5
绾х殑鐢靛帇琛紝浣跨敤閲忕▼涓?/p>
3V
锛岃嫢鐢ㄥ畠鍗曟娴嬮噺鏌愪竴鐢靛帇
U
锛屾祴閲?/p>
鍊间负
2.763V
锛屽垯娴嬮噺缁撴灉搴旇〃绀轰负
U=
锛岀浉瀵逛笉纭畾搴︿负
B=
銆?/p>
10
銆佹粦绾垮彉闃诲櫒鐨勪袱绉嶇敤娉曟槸鎺ユ垚
绾胯矾鎴?/p>
绾胯矾銆?/p>
浜屻�佸垽鏂锛?/p>
鈥滃鈥濆湪棰樺彿鍓嶏紙
锛変腑鎵撯垰锛?/p>
鈥滈敊鈥濇墦
脳
锛?/p>
锛?/p>
10
鍒嗭級