1. 下列哪一個物理量是時間的國際單位?

0714 石牌校國三理化小考

Quiz
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Physics
•
9th Grade
•
Medium
Cindy Cindy
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
日
小時
分
秒
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2. 目前科學家如何定義秒?
利用銫原子鐘
利用石英錶
利用單擺
利用碼表
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
3. 兩個人分別坐在兩個等長的鞦韆上盪鞦韆,擺動的幅度不是很大時,體重較重的人比體重較輕的人擺動得較如何?
較快
較慢
快慢一樣
無法比較
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
4. 天瑜靜止不動10秒鐘,若從開始靜止不動算起第1秒時的座標位置為+3公尺,則下列有關位置的敘述何者正確?
第3秒時為+3公尺
第5秒時為+3公尺
第8秒時為+3公尺
以上皆是
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
5. 如圖,座標單位為公分,若有一螞蟻從B點向左爬到A點,再由A點爬到C點,則全程的位移為多少公分?
+14
+2
-14
-2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
6. 下列關於單擺的敘述,何者正確?
擺錘的質量愈大,擺動一次所需的時間愈短
擺長的大小與擺動一次所需的時間無關
擺角角度不大時,擺動的週期不因擺角改變而改變
單擺擺動一次所需的時間與擺長成正比
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
7. 操場一圈是200m,涵文跑操場兩圈花了5分鐘,則涵文的位移共是多少m?
200
400
600
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