附圖為一物體朝固定方向做直線運動的速度(v)與時間(t)的關係圖,在下列四種運動中,何者速度(v)隨時間(t)的變化最可能以附圖表示?〔99.基測Ⅱ〕

理化B5會考題A卷

Quiz
•
Physics, Chemistry
•
9th Grade
•
Hard
chungtsen chen
Used 6+ times
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
汽車沿直線自靜止加速的過程
物體由靜止自由鉛直掉落的過程
機車沿直線運動,緊急煞車至靜止的過程
保齡球在無摩擦力的水平面上,沿直線滑動的過程
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如圖所示,將五個完全相同的木塊以細線連接,再以固定的水平力 F 拉動木塊,使五個木塊以相同速度在無摩擦力的水平桌面上作直線運動。剛開始五個木塊的加速度大小同為 2 m/s2,一段時間後,將某一位置的細線剪斷,已知剪斷後仍被相同的水平力 F 拉動的木塊其加速度變為 2.5 m/s2,若忽略細線質量,則剪斷細線的位置,應是圖上 P、Q、R、S 哪一個位置?〔104.會考〕
P
Q
R
S
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
阿耀分別以甲、乙、丙三種方式施相同大小的力 F 作用於不同物體上,如表所示。則於甲、乙、丙中,「F」與「F 的反作用力」兩者大小不同的有幾個?〔102.基測〕
0
1
2
3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如圖所示,一顆小行星以橢圓形軌道繞著太陽運行,小行星在甲、乙、丙三個位置時與太陽的距離分別為 R甲、R乙、R丙;小行星與太陽之間有萬有引力大小分別為 F甲、F乙、F丙。若運行的過程中,太陽與小行星的質量變化忽略不計,且已知 R甲>R乙>R丙,則下列關係何者正確?〔100.基測Ⅱ〕
F甲<F乙<F丙
F甲=F乙=F丙
F甲>F乙>F丙
F甲=F乙≠F丙
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
爺爺帶阿鵬到遊樂園走迷宮,他們同時由入口處的甲點出發,點線是阿鵬在迷宮中行進的路線,灰線是爺爺在迷宮外圍到出口處所行進的路線,如圖所示。若 10 分鐘後,他們兩人同時到達出口處的乙點位置,則下列有關兩人由甲點到乙點的敘述何者正確?〔100.基測Ⅱ〕
路徑長:兩人相同
位移:阿鵬大於爺爺
平均速率:阿鵬大於爺爺
平均速度大小:阿鵬大於爺爺
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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