
0730 國三理化小考卷
Quiz
•
Physics
•
9th Grade
•
Practice Problem
•
Medium
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20 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
1. 甲、乙兩人騎腳踏車沿一筆直公路運動,5 秒內其位置和時間的關係記錄如表所示,由表得知在這 5 秒內,誰騎得較快?
甲
乙
相同
無法比較
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
2. 某物體作等速度運動,其位置與時間的關係圖如附圖所示。當物體移動到 34 m 處時,圖中時間軸的「?」值為幾秒?
4.8
5.1
6.4
3.6
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
3. 如圖為甲、乙、丙三車的 x-t 圖。由圖形上可判斷哪一車的速率最慢?
甲
乙
丙
無法判斷
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
4. 多啦 A 夢以 3.0 m/s 等速度走了 4 秒後,調整其速度再往原方向以 5.0 m/s 等速度走了 6 秒,則多啦 A 夢的平均速率為何?
2.4 m/s
3.6 m/s
4.2 m/s
5.9 m/s
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
5. 如表為某物體沿直線運動的位置與時間關係,求 1~4 秒內的平均速度為何?(以向東為正)
2 m/s,向西
2 m/s,向東
6 m/s,向西
6 m/s,向東
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
6. 請問一物體運動的位置(x)—時間(t)關係圖,哪個圖形不可能存在的?
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
7. 甲、乙兩輛遙控車在直線軌道上競速,其位置-時間圖如附圖,則下列敘述何者正確?
甲車每秒走 6 公尺
相同的時間內,甲車的位移比乙車大
5 秒內,兩者的平均速度相同
兩人出發地點相同
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