Spring is compressed by 102mm

Spring Constant from Momentum Conservation Use momentum conservation to determine the unknowns you will need in order to find the spring constant of the spring that caused the cars to separate. The mass of the carts themselves, without the masses on top of them, is 500 grams. When you are done your calculation, hit the end button to enter your answer. End ??? m/s 2.234 m/s 91 g 259 g Vernier Vermer