本题目来源于试卷: Physics Bowl by Topic 2: Kinematics - part I General Motion,类别为 美国物理杯赛(Physics Bowl)
[单选题]
99.17: This question refer to the diagram belo y08jcko) nj3/-j+h1qa fh cfnw which q saj3m6.hbvyp. +.6b(k jib r shows the position and elapsed time of a car starting from rest and uniformly accelerating in a strai ..hj+ 6 r3 ja6sby.qbm(pkvib ght line. What was the average velocity of the car during the third second?
A. 15 m/s
B. 12 m/s
C. 9 m/s
D. 5 m/s
E. 2 m/s
参考答案: A
本题详细解析:
暂无
|