鐐哄公鍔╁ぇ瀹舵湁鏁堝倷鑰冿紝鏈珯绶ㄨ集鏁寸悊浜�“鍒濈礆闆绘埃宸ョ▼甯€冭│椤屽韩”锛屼緵澶у鍙冭€�锛屽笇鏈涘皪澶у鏈夋墍骞姪銆�

1銆佽嫢鏌愰粸(di菐n)鎸�(s浠瑷�(j矛)锛� t浠瑷�(j矛))鐨勮(gu墨)寰嬮亱(y霉n)鍕�锛屽墖t=3s鏅傞粸(di菐n)缍�(j墨ng)閬庣殑璺▼鐐猴細銆愬柈閬搁銆�

A.10m

B.8m

C.18m

D.8m鑷�18m浠ュ鐨勪竴鍊嬫暩(sh霉)鍊�

鏌ョ湅绛旀

2銆佽▓(j矛)绠楁(j墨)缍�(w菐ng)绲�(lu貌)鎶€琛�(sh霉)娑夊強锛氥€愬柈閬搁銆�

A.閫氫俊鎶€琛�(sh霉)鍜屽崐灏�(d菐o)楂斿伐钘濇妧琛�(sh霉)

B.缍�(w菐ng)绲�(lu貌)鎶€琛�(sh霉)鍜岃▓(j矛)绠楁(j墨)鎶€琛�(sh霉)

C.閫氫俊鎶€琛�(sh霉)鍜岃▓(j矛)绠楁(j墨)鎶€琛�(sh霉)

D.鑸ぉ鎶€琛�(sh霉)鍜岃▓(j矛)绠楁(j墨)鎶€琛�(sh霉)

鏌ョ湅绛旀

3銆佽鏋剁祼(ji茅)妲�(g貌u)褰㈠紡鑸囪嵎杓塅p鍧囧凡鐭ャ€傜祼(ji茅)妲�(g貌u)涓】浠跺収(n猫i)鍔涚偤闆剁殑妗夸欢鏁�(sh霉)鐐猴細銆愬柈閬搁銆�

A.0鏍�

B.2鏍�

C.4鏍�

D.6鏍�

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4銆佹煇鍏徃鎿悜閵€琛岃哺娆�100钀厓锛岃哺娆炬湡鐐�3骞�锛岀敳閵€琛岀殑璨告鍒╃巼鐐�6% (鎸夊瑷�(j矛)鎭�)锛屼箼閵€琛岀殑璨告鍒╂伅鐐�7%锛岃┎鍏徃鍚戝摢瀹堕妧琛岃哺娆句粯鍑虹殑鍒╂伅杓冨皯锛� () 銆愬柈閬搁銆�

A.鐢查妧琛�

B.涔欓妧琛�

C.鍏╁閵€琛岀殑鍒╂伅鐩哥瓑

D.涓嶈兘纰哄畾

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5銆佹湁涓€瀹屽叏浜曪紝鍗婂緫ro=0.3m锛� 鍚按灞ゅ帤搴=15m,鍦熷￥婊叉祦绯绘暩(sh霉)k=00005m/s锛屾娊姘寸┅(w臎n)瀹氬悗锛屼簳姘存繁h=10m锛屽奖闊垮崐寰慠=375m锛屽墖鐢遍仈(d谩)瑗垮畾寰嬪緱鍑虹殑浜曠殑鎶芥按閲廞鐐猴細()銆�(鍏朵腑瑷�(j矛)绠楃郴鏁�(sh霉)鐐� 1.366)銆愬柈閬搁銆�

A. 0.0276 /s

B.0.0138 /s

C.0.0414 /s

D.0.020 /s

鏌ョ湅绛旀

6銆佷俊鎭彲浠ヤ互绶ㄧ⒓鐨勬柟寮忚級鍏ワ細 ()?锛佺窢鑺渪椤屻€�

A.鏁�(sh霉)瀛椾俊铏熶箣涓�

B.妯℃摤淇¤櫉涔嬩腑

C.闆㈡暎淇¤櫉涔嬩腑

D.閲囨ǎ淇濇寔淇¤櫉涔嬩腑

鏌ョ湅绛旀

7銆佹煇cos鐐�0.4鐨勬劅鎬ц矤(f霉)杓�锛屽鍔�100V鐨勭洿娴侀浕澹撴檪锛屾秷鑰楀姛鐜�100W锛屽墖瑭叉劅鎬ц矤(f霉)杓夌殑鎰熸姉鐐猴細銆愬柈閬搁銆�

A.100

B.229

C.0.73

D.329

鏌ョ湅绛旀

姝ｇ⒑绛旀:B

8銆佺敤浜岄€�(j矛n)鍒舵暩(sh霉)琛ㄧず鐨勮▓(j矛)绠楁(j墨)瑾炶█绋辩偤锛� ()?锛佺窢鑺渪椤屻€�

A.楂樼礆瑾炶█

B.鍖法瑾炶█

C.姗�(j墨)鍣ㄨ獮瑷€

D.绋嬪簭瑾炶█

鏌ョ湅绛旀

9銆佹搷浣滅郴绲�(t菕ng)涓噰鐢ㄨ櫅鎿瓨鍎叉妧琛�(sh霉)锛屽(sh铆)闅涗笂鏄偤瀵�(sh铆)鐝�(xi脿n)锛� ()?锛佺窢鑺渪椤屻€�

A.鍦ㄤ竴鍊嬭純灏忓収(n猫i)瀛樺劜绌洪枔涓�锛岄亱(y霉n)琛屼竴鍊嬭純灏忕殑绋嬪簭

B.鍦ㄤ竴鍊嬭純灏忓収(n猫i)瀛樺劜绌洪枔涓�锛岄亱(y霉n)琛屼竴鍊嬭純澶х殑绋嬪簭

C.鍦ㄤ竴鍊嬭純澶у収(n猫i)瀛樺劜绌洪枔涓�锛岄亱(y霉n)琛屼竴鍊嬭純灏忕殑绋嬪簭

D.鍦ㄤ竴鍊嬭純澶у収(n猫i)瀛樺劜绌洪枔涓�锛岄亱(y霉n)琛屼竴鍊嬭純澶х殑绋嬪簭

鏌ョ湅绛旀

10銆佸叐鏍规闀峰害銆佹埅闈㈠舰鐙€鍜岀磩鏉熸浠跺畬鍏ㄧ浉鍚岋紝涓€鏍规潗鏂欑偤閶�锛屽彟涓€鏍规潗鏂欑偤閶�銆傚湪鐩稿悓鐨勫鍔涗綔鐢ㄤ笅鐧�(f膩)鐢熷綆鏇茶畩褰�锛屽叐鑰呬笉鍚屼箣铏曠偤锛氥€愬柈閬搁銆�

A.褰庢洸鍏�(n猫i)鍔�

B.褰庢洸姝ｆ噳(y墨ng)鍔�

C.褰庢洸鍒囨噳(y墨ng)鍔�

D.鎾撴洸绶�

鏌ョ湅绛旀

榛�(di菐n)鎿婃煡鐪�>>>鍒濈礆闆绘埃宸ョ▼甯€冭│椤屽韩

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