Mathematics, 10.03.2020 00:20 lee1677
The element Unobtainium has a half-life of 3 years. Let M(t) be the mass of Unobtainium at time t starting with an initial amount of 14 kg. (a) Give a formula for M(t). (b) After how many years will the initial mass of Unobtainium shrink to 1 kg? Round your answer to one digit after the decimal point. 6. Starbucks serves coffee at 170° and the room temperature in Starbucks is 70° The coffee cools to 100° after 10 minutes. Let T(t) be the temperature of the coffee at time 1, measured in minutes, (a) Write down the differential equation for T(t) and determine a formula for T(t). (b) From the time when the temperature is 100° at t = 10, how many additional minutes will it take for the temperature of the coffee to reach 80°? Round your answer to che digit after the decimal point.
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The element Unobtainium has a half-life of 3 years. Let M(t) be the mass of Unobtainium at time t st...
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