
國三上理化Chap1_3 速率與速度 2024 1031
Authored by Sone Wang
Physics
8th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪一物理量不具有方向性?
速率
速度
力
位移
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列何者並非速率及速度的單位?
cm/h
km/s
m/min
kg/s
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
+6m/s與-6m/s的意義為何?
速度相同,方向不同
速度不同,方向相同
速率相同,方向不同
速率不同,方向相同
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
小宇駕車在大塞車的高速公路上以等速率8m/s行進1分鐘,則其行進的距離為多少公尺?
8
48
240
480
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
由各x-t圖判斷,下列何者沿負方向運動?
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
附圖為一輛汽車在筆直公路上行駛時的v-t圖。在10秒至20秒期間,此汽車行駛的位移大小為多少公尺?
0
100
200
300
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
阿萬沿一直線街道以等速步行到商店去買鮮奶,再以原來的速率步行返回原處。如果出發的方向為正,則下列v-t圖何者最適合表達阿萬的運動情況?
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