大仲家的馬達功率是5瓩，如果要將10立方公尺的水抽到15公尺高的水塔，大仲家的馬達所花的時間是多少？(g＝10 m/s2) (A)300秒 (B)3×105秒 (C)300分 (D)3×105 分

問題詳情

6.大仲家的馬達功率是5瓩，如果要將10立方公尺的水抽到15公尺高的水塔，大仲家的馬達所花的時間是多少？(g＝10 m/s2)
(A)300秒
(B)3×105秒
(C)300分
(D)3×105 分。

參考答案

無參考答案

內容推薦

（）由右表為臺中連續四天的氣溫、氣壓值紀錄，可知臺中天氣受何種天氣系統影響？(A)梅雨　 (B)颱風　 (C)寒潮　 (D)西南氣流。
有一質量20Kg的物體受到10N的外力作用，沿光滑平面向右移動10m，其受力情形如圖，此外力作功多少焦耳？(A)80 (B)100 (C)160 (D)200。
柏軒身高7公尺站在平面鏡前0公尺處，他向鏡子前進0公尺，此時他看到鏡內時鐘指著3時15分，則以下敘述何者正確？　(A)鏡長至少要7公尺才能看到全身　(B)前進的過程中，像的高度
32 The parents didn't believe that their son could have committed such a brutal murder and they
34 While Jane is excited about a business trip to Europe, she is also a little _____ since she has n
【題組】37 (A)It's a distance that is so minute that comparing it to anything in the regular world
請依下文回答第 36 題至第 40 題，並依文意從四個選項中選出最合適者，答案選用不能重覆： A tsunami is unnoticeable in the open ocean－a long
【題組】39 (A)Nanotechnology matters because familiar materials begin to develop odd properties when the
【題組】38 (A)It's a distance that is so minute that comparing it to anything in the regular world
請依下文回答第 41 題至第 45 題： The Titanic, designed as the largest ship ever to go to sea, was one of the
【題組】43 According to this passage, which of the following does NOT explain the destruction of the Tit
【題組】42 What is the best title for this passage?(A) The Titanic Movie.(B) Sinking of the Titanic.(C)
【題組】40 (A)It's a distance that is so minute that comparing it to anything in the regular world
【題組】44 What does the word "buckled" mean in the third paragraph?(A) Bent.(B) Rusted.(C) De
【題組】45 Which of following statements is true about the last paragraph?(A)The head-on strike was the
33 The intern tries to fulfill the expectations of the boss and _____ her own agenda at the same tim
請依下文回答第 46 題至第 50 題： In the United States, there are about twenty-two million hearing-impaired pe
【題組】47 What is the detail given to explain the deafness caused by accident?(A) chickenpox(B) influen
【題組】48 What is the reason that modern, developed countries have fewer incidents of viruses-induced d
35 The traveller has no _____ of staying in Australia longer than 3 months.(A)integrity (B)intensity
【題組】49 According to the passage, which statement about hereidtary deafness in the ancient world is N
小曹在地面上以10N 的水平力拉5Kgw的行李，行李箱以5m/s等速前進20秒後停止施力。小曹在這段時間施力所作的平均功率為多少？(A)1000J (B)500J (C)50w (D)25w。
【題組】50 To fully develop the main idea of the whole article, what do you expect the following paragra
企業在網站或網路行銷活動中埋入 Google Analytics（Google 網站數位分析）的程式碼，藉其取得重要的分析數據。其中用來評估社交媒體程式的成效，分析訪客如何與網站上的共用功能互動，
質量不同的甲乙兩鐵球〈質量甲＞乙〉，從相同高度由靜止釋放。下列敘述何者正確？ (A)著地的時間甲＞乙 (B)著地的速度甲＞乙 (C)著地時的動能甲＞乙 (D)下落的加速度甲＞乙。