A guy who is a friend of a friend has been mining all summer and is headed
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Question:
A guy who is a friend of a friend has been mining all summer and is headed south. He says he is out of cash and needs to buy a plane ticket in a hurry because of a family emergency. He has a gold nugget that weighs 0.980N (100g). He weighs it for you and says he will sell it to you for $800 cash, a great deal, but he is in a bad way. "You help me," he says, "and you get a great deal!" You stick the nugget in a glass of water using the same scale and measure 0.870N. Then he says it may have a little copper mixed in.
F1 = 0.980N
F2 = 0.892N
Part A:
What is the density of the nugget?
Part B:
Should you buy it?
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