
dec高一物理

Quiz
•
Other
•
4th - 11th Grade
•
Hard
Freshman Learning
Used 2+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
一列火车开始以200km/h 行驶了 200km,再以 200km/h 又行驶了 100km。请问这列火车全程的平均速度是多少?
100
133.3
200
233.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
当加速度方向与初速度方向相同时,物体在()
当加速度方向与初速度方向相反时,物体在()
加速,减速
减速,加速
静止,加速
加速,静止
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
一辆巴士在刹车时,速度在 3s内从 20m/s减小到。请问巴士的平均加速度是多大?
-5
+5
-6.67
+6.67
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
a
b
c
d
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
一辆汽车向东行驶 30km,又向西行驶 40km,则汽车的行驶路程和位移分别是多少?
70,10
10,70
-70,10
70,-10
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
某人向北跑了12m,再往东跑了 16m,花费 20s,计算速率和速度。
1, 1.4
1.4, 1
-1.4, 1
1, -1.4
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