3題牛頓第二運動定律的問題 - 運動
By Daniel
at 2007-10-10T00:00
at 2007-10-10T00:00
Table of Contents
1.以2.0牛頓的水平拉力拉動質量400g的物體,使其在水平面上自靜止而移動,已知運動中接觸面間的摩擦力為0.4牛頓,則4秒內共移動若干米?(A)40米(B)32米(C)20米(D)16米2.一質量1000公斤之汽車於公路上,正以36公里/小時之速度行駛,突遇紅燈,緊急煞車而已等減速度滑行10公尺後停止,則汽車輪胎與地面間之�
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運動
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By Faithe
at 2007-10-10T18:20
at 2007-10-10T18:20
By Faithe
at 2007-10-13T23:59
at 2007-10-13T23:59
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