111-1-九上1-4加速度

Quiz
•
Science
•
9th Grade
•
Medium
徐滄益 徐滄益
Used 17+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
一位自行車選手在速度為20 m/s時,以等減速度2 m/s2煞車,
則從煞車到停止共歷時多少秒?
3
4
5
10
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
某汽車製造商宣稱他們所生產的汽車性能絕佳,可在5秒內速度由零加速至30m/s,
則此汽車的平均加速度為多少m/s2?
6
5
21.6
10
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
汽車在一直線上行駛其速度對時間的關係如附圖所示,
則汽車行駛的平均加速度為幾公尺/秒2?
0
2
10
20
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
下列有關加速度的敘述,何者正確?
有大小,無方向性
有大小,有方向性
無大小,有方向性
無大小,無方向性
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
小華以打點計時器記錄玩具車直線前進的運動,紙帶紀錄如附圖。
下列何者為玩具車運動的狀況?
速度愈來愈慢
速度愈來愈快
等速度運動
靜止
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
向東沿直線作等加速度運動的某質點,其速度與時間的關係如附表,
則質點的加速度為何?
向東3 m/s2
向西3 m/s2
向東3 m/s
向西3 m/s
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
物體由靜止以等加速度2 m/s2開始運動,經過若干秒後物體的速度為10 m/s?
2
4
5
10
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