
J3-U1-1-1、1-2時間路程位移

Quiz
•
Science
•
9th Grade
•
Hard
林 晏滺
Used 2+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
正常擺鐘每秒擺動1次,小明爺爺家中的擺鐘一分鐘擺動70次,若小明欲將擺鐘調成準確,則小明該如何做?
縮短擺長
增長擺長
減輕擺錘質量
縮小擺角
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列有關時間的敘述,哪一項錯誤?
一年中各太陽日的長短並不一致
手錶的秒針跳動一次所需的時間為1秒
有些具有規律變化但並無週而復始的現象,亦可用來測量時間
單擺擺動一次的時間為1秒
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
太陽在天空中的高度角,連續兩次出現最大值所經歷的時間,稱為?
一個太陽日
一個平均太陽日
一個恆星日
一天
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
已知A、B、C三個單擺的擺角關係為:θA<θB<θC<5°,擺錘質量關係為:mC>mB>mA,擺長關係為:LA>LB>LC,則A、B、C三個單擺的週期何者最大?
A
B
C
都相等
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A
B
C
D
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