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J3-U1-1-1、1-2時間路程位移

Authored by 林 晏滺

Science

9th Grade

Used 2+ times

J3-U1-1-1、1-2時間路程位移
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16 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A

B

C

D

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

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

Media Image

A

B

C

D

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