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# Assign5 - Math 128 ASSIGNMENT 5 Winter 2010 Submit all...

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Math 128 ASSIGNMENT 5 Winter 2010 Submit all problems by 8:20 am on Wednesday, February 24 th in the drop boxes across from MC4066, or in class depending on your instructor’s preference. All solutions must be clearly stated and fully justified . Comment: This assignment is longer than usual. It is strongly recommended that you start working on it early. From the text: 9.1 # 14. 9.2 # 2, 3-6. 9.3 # 4, 16. 9.5 # 1-4, 6, 18. 9.4 # 8. Non-text problems: 1. Mixing Problem. Mixing Problem. A tank contains 200 litres of water in which 300 grams of salt is dissolved. Brine containing 1 gram of salt per litre is then pumped into the tank at a rate of 4 litres per minute; the well-mixed solution is pumped out at the same rate. Find the mass m ( t ) (in grams) of salt in the tank at time t . 2. Radiocarbon Dating Problem. An important tool in archelogical research is ra- diocarbon dating. This is a means of determining the age of certain wood and plant remains, hence of animal or human bones or artifacts found buried at the same levels.

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Assign5 - Math 128 ASSIGNMENT 5 Winter 2010 Submit all...

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