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question dude
#1
Feb13-13, 01:22 PM
P: 77
This is from my textbook:





I'm slightly confused about the bit underlined in red. Do you think its in reference to the sentence just before where it talks about situations of vehicles remaining tangled? (so for other cases, contact time = impact time, right?)

also, I don't really understand how to picture the scenario of the two vehicles remaining tangled together and 'how they exert forces on each other until they move at the same velocity'.
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