112九上一段自然習作練習
Quiz
•
Science
•
9th Grade
•
Medium
林 炳弘
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66 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
翰翰、琳琳、小也、阿磊四人位置如圖所示,若以北方為正,單位為公尺,則下列敘述何者正確?
小也在琳琳的東方3公尺處
圖中是以小也為參考點
阿磊在琳琳的南方3公尺處
翰翰在小也的西方4公尺處
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於物體移動的路徑長與位移,下列敘述何者正確?
路徑長相同者,位移也相同
位移相同者,路徑長也相同
同方向直線運動時,位移大小等於路徑長
路徑長包括大小和方向
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一物體作直線運動,其位置-時間關係圖如附表所示,則下列哪一個圖形可描述該物在0至5秒期間的運動?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某物體在直線上運動,其位置-時間關係圖(x-t圖)如圖所示,則此物體在第0~3秒的平均速度大小為多少m/s?
20
15
10
5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖為某物體沿直線運動的位置-時間關係圖(x-t圖),假設向東為正,試問此物體的出發點相對於原點的方向和距離為何?
東方15公尺
東方5公尺
西方10公尺
西方15公尺
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
附圖為某物體沿直線運動的位置-時間關係圖(x-t圖),假設向東為正,試問第4秒至第6秒之間,此物體的運動狀態為何?
等速度運動
減速度運動
靜止
資料不足無法判斷
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
沿一直線運動的甲、乙兩人,其位置-時間關係圖(x-t圖)如圖所示,則對於甲、乙的敘述,何者正確?
甲、乙皆為等速度運動
甲的速度比乙慢
甲為等速度運動,乙在第2秒後就停止
由圖形無法得知甲、乙的速度快慢
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