本题目来源于试卷: Physics Unit6: Work and Energy，类别为 通用国际物理
[单选题]
A lightweight object (d;yg5 ti+zfo .jug8dand a very heavy object are i a9m( paxe5-ksliding with equal speeds along a level frictionless surface. They both slide up e-9m aik5ax(p the same frictionless hill. Which rises to a greater height?
A. The heavy object, because it has greater kinetic energy.
B. The lightweight object, because it weighs less.
C. They both slide to the same height.
D. cannot be determined from the information given
参考答案: C
本题详细解析:
暂无
| 
