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Unformatted text preview: yindeemark (rry82) Homework 8 chelikowsky (59005) 1 This print-out should have 18 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 4) 10.0 points Calculate the momentum for a 0 . 3 kg rifle bullet traveling 200 m / s. Answer in units of kg m / s. 002 (part 2 of 4) 10.0 points What momentum does a 1300 kg automobile traveling 0 . 1 m / s (a few miles per hour) have? Answer in units of kg m / s. 003 (part 3 of 4) 10.0 points What momentum does a 60 kg person running 12 m / s (a fast sprint) have? Answer in units of kg m / s. 004 (part 4 of 4) 10.0 points What momentum does a 9000 kg truck trav- eling 0 . 04 m / s (a slow roll) have? Answer in units of kg m / s. 005 10.0 points A uranium nucleus 238 U may stay in one piece for billions of years, but sooner or later it de- cays into an particle of mass 6 . 64 10 27 kg and 234 Th nucleus of mass 3 . 88 10 25 kg, and the decay process itself is extremely fast (it takes about 10 20 s). Suppose the uranium nucleus was at rest just before the decay....
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