briggs444: Thanks for your post. It clarifies my problem but not completely. May I explain my problem and the approach I have been taking?
I am trying to exam the effect of a large, fast moving mass (an airplane weighing 25,000 kg moving at 350 m/sec) hitting a stationary object (say a a rod 1...
In an inelastic collision of a moving billiard ball with a second ball at rest, I understand that the two balls have the same velocity after contact, correct?
But at the instant of contact how do the velocites of the two balls change instantaneously? Doesn’t that imply an infinite force...