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Science Bowl Question

📅 NSB 2011 Set 4🎓 HS🔄 Round 9#️⃣ Question 8🌟 Bonus📝 Multiple Choice

In a safety crash test, a big truck and a small car have a head-on collision. What can we say about total system momentum?

W) It is equal to zero
X) It is less after the crash than before the crash
Y) It is the same before and after the crash
Z) It is more after the crash than before the crash
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