A Formula Used by Meteorologists to Calculate the Wind Chill

question 1

Multiple Choice

A formula used by meteorologists to calculate the wind chill temperature (the temperature that you feel in still air that is the same as the actual temperature when the presence of wind is taken into consideration) is ​ ​
Where t is the actual air temperature in °F and S is the wind speed in mph.
​
What is the wind chill temperature when the actual air temperature is 40 °F and the wind speed is 15 mph (T​₁) ? Please round the answer to the nearest °F
​
If the temperature is 40 °F, by how much approximately will the wind chill temperature change if the wind speed increases from 15 mph to 16 mph (T​₂) ? Please round the answer to the nearest tenth.
​

---

Definitions:

Civil Rights

The rights of citizens to political and social freedom and equality, often protected by law and central to debates over justice, democracy, and societal progress.

President Truman

Harry S. Truman, the 33rd President of the United States, who served from 1945 to 1953 and is known for ending World War II by using atomic bombs on Japan.

Totalitarianism

The term that describes aggressive, ideologically driven states that seek to subdue all of civil society to their control, thus leaving no room for individual rights or alternative values.

Individual Rights

Describes the rights and freedoms that are guaranteed to each person, typically protected by law, from unwarranted government interference.