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

question 144

Multiple Choice

Solve the problem.
-A thermometer reading 84°F is placed inside a cold storage room with a constant temperature of 38°F. If the thermometer reads 77°F in 11 minutes, how long before it reaches 56°F? 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 the nearest whole minute.)

• A) -20 minutes
• B) 22 minutes
• C) 4 minutes
• D) 63 minutes

---

Definitions:

Commercial

An advertisement broadcast on television or radio, aimed at promoting a product, service, or brand.

Content Marketing

A digital marketing strategy focused on creating, publishing, and distributing content for a targeted audience online.

Strategic Marketing

The planning and execution of marketing efforts aimed at achieving long-term business goals, informed by market research and analysis.

Profitable Customer Action

Profitable customer action is any desirable activity taken by a customer, such as purchasing, subscribing, or engaging with a brand, that contributes to a company's revenue or growth objectives.