📅 NSB 2012🎓 HS🔄 Round 7#️⃣ Q21🌟 BONUS✍️ Short Answer
A particle has a de Broglie [duh broh-GLEE] wavelength of 3 x 10^-10 meters when it is traveling at 1.1 x 10^7 meters per second. Expressing your answer in kilograms and in scientific notation to one significant figure, what is its approximate mass?
✔️Answer:2 X 10^-31
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