Two identical objects,one moving twice as fast as the other,collide with each other in the following way:
问题描述：
Two identical objects,one moving twice as fast as the other,collide with each other in the following way:
0--------> 2v v
答
they will be moving to the right.because before the collision the vector sum of their momentum was to the right,and the momentum wouldn't have a loss in the collision.Applying the momentum conservatio...