Ch.1運動學大亂鬥
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Medium
張王彥 張王彥
Used 3+ times
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71 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一物理量具有方向性?
速率
位移
時間
路程
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
一人沿直線跑步,其速度與時間關係如圖所示,試問在哪一段時間內加速度方向與速度方向相反?
0~t1
t1~t2
t1~t3
t2~t3
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
某物體沿直線運動,其 v-t 關係圖如附圖所示,則其 a-t 圖可能為下列何者?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲在直線跑道上運動,如圖是甲在運動過程中速度與時間(v-t) 的關係圖,試問甲在運動過程中折返幾次?
0 次
1 次
2 次
3 次
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
有一部原為靜止的汽車,開始起動後在10秒內,其速度慢慢地增加到20m/s,則車子的平均加速度為多少 m/s2 ?
1
2
5
20
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
關於加速度的敘述,何者正確?
有大小,也有方向性
沒有大小,只有方向性
只有大小,但不具有方向性
既沒有大小,也不具有方向性
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲速度為 10 公尺/秒向東,乙速度為 10 公尺/秒向北,則下列敘述何者正確?
兩者速度相同,速率不同
兩者速率相同,速度不同
兩者速度與速率都不同
兩者速度與速率都相同
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