
國中自然3上_1-3
Authored by Tang Da
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7th - 9th Grade
Used 30+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
+6m/s與-6m/s的意義為何?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
平均速度的定義為何?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
甲、乙兩建築物位於直線道路旁,相距12公里,今阿成從甲以每小時3公里的速率走到乙,到達後馬上再以每小時6公里的速率跑回甲,試問他的平均速率為多少km/h?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有一時鐘的秒針長為10公分,若以正常的方式使用,當秒針繞一圈,試問秒針尖端的平均速度為多少cm/s?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖為正六邊形道路,每邊長均為10公尺,小湘由A點出發,沿逆時鐘方向走到B點,共花了50秒,則小湘的平均速度大小為多少m/s?
0
0.2
1
1.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在高速公路上,甲車向北行駛,車上時速錶顯示的讀數為90km/h,同時有一部向南行駛的乙車,車上時速錶顯示的讀數也是90km/h,則下列敘述何者正確?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於「平均速度」與「平均速率」的敘述,下列何者正確?
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