Solve the Problem $\mathrm { U } = \mathrm { T } + \left( \mathrm { U } _ { \mathrm { O } } - \mathrm { T } \right) \mathrm { e } ^ { \mathrm { kt } }$

question 293

Multiple Choice

Solve the problem.
-A thermometer reading 11°C is brought into a room with a constant temperature of 30°C. If the thermometer reads 17°C after 4 minutes, what will it read after being in the room for 7 minutes? Assume the cooling follows
Newton's Law of Cooling: $\mathrm { U } = \mathrm { T } + \left( \mathrm { U } _ { \mathrm { O } } - \mathrm { T } \right) \mathrm { e } ^ { \mathrm { kt } }$ (Round your answer to two decimal places.)

• A) 28.67°C
• B) 5.87°C
• C) 20.22°C
• D) 39.78°C

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Definitions:

Government Regulation

Laws and rules set by the government to control the way businesses and industries operate, with the aim of protecting public interest.

Total Surplus

The sum of consumer surplus and producer surplus in a market, representing the total benefit to society from trading a good or service.

Producer Surplus

The difference between the amount a producer is willing to accept for a good or service versus what they actually receive.

Consumer Surplus

It is the difference between the total amount that consumers are willing and able to pay for a good or service and the total amount that they actually pay.