close
Blogtrottr
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中 
The Best Way to Manage your Money.

Start using Mint today to set a budget, track your goals and do more with your money.
From our sponsors
理化 國中三年級 功與能
Sep 24th 2013, 13:54

如圖所示 沿粗糙面，沿斜面施力3kgw重，將重量4kgw的木塊以1m/s的等速度，，推至1m高處，則:

1.合力對此木塊所做的功為(  )焦耳

2.沿斜面所施的力對此木塊所做的功為(   )焦耳

3.承第二題，沿斜面施力對此木塊所做的功為(   )焦耳

4.木塊增加的重力位能為(   )焦耳

5.摩擦力對此木塊所做的功為(   )焦耳

檢視圖片 

This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers. Five Filters recommends:

You are receiving this email because you subscribed to this feed at blogtrottr.com.

If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions
arrow
arrow
    全站熱搜
    創作者介紹
    創作者 xxxmkks 的頭像
    xxxmkks

    線上遊戲排行榜2013/2014,進擊的巨人線上看,candy crush saga外掛,正妹寫真三圍

    xxxmkks 發表在 痞客邦 留言(0) 人氣()

    E-mail轉寄