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2 years ago

Which term describes a person in the center of the political spectrum?

SAT

1 answer:

Rus_ich [418]2 years ago

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Answer:

can you put the choises

Explanation:

thanks

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Newton’s law of cooling states that for a cooling substance with initial temperature t0, the temperature t(t) after t minutes ca

antoniya [11.8K]

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:

$T(t) = T_{s} + (T_{o}-T_{s})\cdot e^{-k\cdot t}$ (1)

Where:

$T_{s}$ - Final temperature, in degrees Celsius.
$T_{o}$ - Initial temperature, in degrees Celsius.
$t$ - Time, in minutes.
$k$ - Cooling rate, in $\frac{1}{min}$ .
$T(t)$ - Current temperature, in degrees Celsius.

Please notice that substance reaches thermal equilibrium when $T(t) = T_{s}$ , that is when temperature of the substance is equal to the temperature of surrounding air.

If we know that $T_{o} = 80\,^{\circ}C$ , $t = 15\,min$ , $T_{s} = 50\,^{\circ}C$ and $T(15) = 60\,^{\circ}C$ , then the cooling rate of the substance is:

$60 = 50 + (80 - 50)\cdot e^{-15\cdot k}$

$\frac{60-50}{80-50}= e^{-15\cdot k}$

$\frac{1}{3} = e^{-15\cdot k}$

$k = -\frac{1}{15}\cdot \ln \frac{1}{3}$

$k \approx 0.0732$

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

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2 years ago

Read this excerpt from chapter 2 of The Scarlet Letter using comprehension strategies. It was no great distance, in those days,

Ivan

The meaning of this excerpt is that the walk from prison to scaffolding seemed a long and treacherous journey to Hester

Scarlet letters was a book written in the Puritan Massachusetts Bay Colony from 1642-1649. The book is about a woman called Hester Prynne, who had a female child via an affair and had to live a hard life to make a new life of repentance and dignity.

The statement above means that the journey of Hester was not an easy one as it was long, tiring and betrayals along the way but she still kept moving.

Conclusively we can say that Hester hard a very hard life full with struggles, betrayals, but she still kept moving.

Learn more from

brainly.com/question/1120926

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2 years ago

Which ion in the ground state has the same electron configuration as an atom of neon.

AfilCa [17]

Answer:

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Questions Answer

38 Which ion in the ground state has the same electron configuration as an atom of neon in the ground state? (1) Ca2+ (2) Cl- (3) Li+ (4) O2-

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2 years ago

Formas para llegar al 13

Rina8888 [55]

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2 years ago

A company is testing tires for wear and tear. A given tire is said to either pass the test (p) or fail the test (f). Enter the m

Novosadov [1.4K]

Answer: PPF and PFF

Explanation:

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2 years ago