本题目来源于试卷: Mechanical Advantage，类别为 美国物理杯赛(Physics Bowl)
[单选题]
15.28: On a frictionless horiz ps :eu8m)f clr/pfmd4,d4yq,ontal surface, two bodies 3e+zghl*c ij2l:(dndmake ahead-on collision and stick together. Body 1 has a mass of 3.5 kg and initially moves to the right with speed 7.0 m/s. Body 2 initially is at rest. A graph of the force exerted onto Body 2 from Bod cndd+giz* l3 ej(lh2 :y 1 during the collision is shown.
How much kinetic energy was transformed to other kinds of energy from the collision?
A. 67.1 J
B. 52.6 J
C. 42.9 J
D. 38.2 J
E. 30.0 J
参考答案: B
本题详细解析:
暂无
| 
