The energy acquire by consuming a 190-calorie doughnut

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Reference no: EM138000

Q1. Suppose a constant ratio of 13.60 counts per minute per gram of living matter. A sample of a petrified tree was found to give 1.8 counts per minute per gram. How old is the tree?

Q2. A typical person radiates about 62 W of power at room temperature. Given this result, how long does it take for a person to radiate away the energy acquire by consuming a 190-Calorie doughnut?

Reference no: EM138000

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