
B5C2_力與運動A卷

Quiz
•
Physics
•
9th Grade
•
Medium
chungtsen chen
Used 8+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
質量 M 的大人和質量 m 的小孩站立於無摩擦力的地面上互推,則互推的瞬間兩人後退之加速度比為何?
M:m
m:M
1:1
M:m+1
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
有一輛質量為 4 公噸的砂石車,以 30m/s 的速度行駛,當它緊急煞車,5 秒後砂石車停下,其速度(v)-時間(t)的關係如圖,則砂石車在煞車期間所受的阻力大小為多少牛頓?
6000 牛頓
12000 牛頓
15000 牛頓
24000 牛頓
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