1-3速率與速度
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Medium
Vincent Huang
Used 7+ times
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10 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
1 min • 1 pt
位移和路程在什麼情況下會相等?
直線運動
加速度運動
等速度運動
圓週運動
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
甲向北行5 m,乙向南行5 m,且兩人各費時15 s,則兩人何項物理量不相同?(甲)位移;(乙)路程;(丙)平均速率;(丁)平均速度。
甲丙
乙丙
甲丁
甲丙丁
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
中山高目前對小轎車的最高時速限制為110 km/hr,則此最高時速限制指的是什麼?
某段時間的速率平均
瞬間的快慢
某段時間的速度平均
瞬時的速度
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
阿南花了5分鐘在公路上做等速運動,他共走了1500公尺,則可知阿南的速率為多少公里/小時?
300
120
24
18
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
測量某部車在200公尺的運動過程中,第5秒末的速度為15公尺/秒,第10秒末到達終點時的速度是23公尺/秒,則此部車在這200公尺內的平均速度為多少公尺/秒?
19
20
21
22
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下圖為甲、乙、丙三車位置對時間的關係圖,三車的速度大小何者最小?
甲
乙
丙
三者相等
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