本题目来源于试卷: Physics Bowl by Topic 3: Kinematics - part II Uniformly Accelerated Motion,类别为 美国物理杯赛(Physics Bowl)
[单选题]
06.03: Three students were arguing about op ra1qq*+6;gkk8arh8 dy wsp wiq;nus(6(+xthe heigh: y9qpv700 mgfa tvzcaw 2-8put of a parking garage. One student suggested that to determine the height of the garagezy0pv ftqmc8- aaup9g7w0 : v2, they simply had to drop tennis balls from the top and time the fall of the tennis balls. If the time for the ball to fall was 1.4 seconds, approximately how tall is the parking garage?
A. 4.9 m
B. 7.0 m
C. 9.8 m
D. 13.8 m
E. 19.6 m
参考答案: C
本题详细解析:
暂无
|