Answer:
im sorry
Explanation:
(not really we will never meet in person)
C is the best choice for this
The cooling rate of the substance is approximately 0.0732.
According to the statement, the Newton's law of cooling is defined by the following formula:
(1)
Where:
- - Final temperature, in degrees Celsius.
- - Initial temperature, in degrees Celsius.
- - Time, in minutes.
- - Cooling rate, in .
- - Current temperature, in degrees Celsius.
Please notice that substance reaches thermal equilibrium when , that is when temperature of the substance is equal to the temperature of surrounding air.
If we know that , , and , then the cooling rate of the substance is:
The cooling rate of the substance is approximately 0.0732.
To learn more on Newton's law of cooling, we kindly invite to check this verified question: brainly.com/question/13748261
Answer:
The Third choice- Δpqr is an equilateral triangle
Explanation:
If you put it on the graph and make the triangle on the graph. You get your answer.