動力學直線運動 - 運動
By Jake
at 2009-11-03T00:00
at 2009-11-03T00:00
Table of Contents
(1)車A在車B前方210m處.若車A此時速度為80km/h,等減速度為1.5m/s^2,車B方向同車A,速度為64km/h,等加速度為2.4m/s^2.試問需行經多少距離,車B才會追上車A(2)火車在兩車站間最大速率為105km/h,加速度為24m/s^2,減速度為0.7m/s^2.若兩車站間距7km,兩站皆須停,試求行經兩站所需最少時間.(3)物體由高於湖面100m處放下,假設物體
Tags:
運動
All Comments
By Bethany
at 2009-11-06T11:50
at 2009-11-06T11:50
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