Skip to content

Categories:

範例:等速度運動與反應時間[98學測]

汽車後煞車燈的光源,若採用發光二極體(LED),則通電後亮起的時間,會比採用燈絲的白熾車燈大約快0.5秒,故有助於後車駕駛提前作出反應。假設後車以50 km/h的車速等速前進,則在0.5秒的時間內,後車前行的距離大約為多少公尺? (A)3 (B)7 (C)12 (D)25。

相關文章:

Posted in 歷屆學測(推甄)考題, 物體運動的軌跡.

Tagged with , , .


0 Responses

Stay in touch with the conversation, subscribe to the RSS feed for comments on this post.

You must be logged in to post a comment.



29 visitors online now
6 guests, 13 bots, 10 members
All time: 479 at 08-18-2020 08:10 pm UTC
Max visitors today: 126 at 12:01 am UTC
This month: 145 at 11-03-2024 07:36 pm UTC
This year: 259 at 08-23-2024 08:56 pm UTC