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3 years ago

He pictures show a grassy field that has been abandoned. Which best explains why this is an example of increasing entropy?

Physics

1 answer:

solmaris [256]3 years ago

6 0

<h2>Answer:</h2>

The correct answer is option D. Which is "Over time, the lawn has naturally become disorderly".

<h3>Explanation:</h3>

Entropy, the measure of a system's thermal energy per unit temperature that is unavailable for doing useful work.
It is also a measure of the molecular disorder, or randomness, of a system.
According to above definitions of entropy option D is correct.
<u>So entropy of system is randomness/disorder that is increasing with time in case of lawn.</u>

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Two pure tones are sounded together. The drawing shows the pressure variations of the two sound waves, measured with respect to

amm1812

Answer:

4.13Hz

Explanation:

f1 = 1/t1 = 1/0.022 = 45.45 Hz

f2 = 1/t2 = 1/0.0242= 41.32 Hz

No. of beats

= 45.45- 41.32

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3 years ago

There are 2.2 pounds in a kilogram. if a boys mass is 40kg, what is his height in pounds?

sasho [114]

The simplest way to do this is to set up equivalent fractions, like this-

$\frac{1}{2.2}$ = $\frac{40}{x}$

Solve for x by using cross multiplication.

40*2.2= 88
1*x=88
x=88

Therefore, the boy weighs 88lbs.

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3 years ago

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The creation of electricity in a coil of a wire through the movement of a magnet is called what?

emmasim [6.3K]

Answer:

D. Electromagnetic Induction.

Explanation:

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2 years ago

The specification limits for a product are 8 cm and 10 cm. A process that produces the product has a mean of 9.5 cm and a standa

My name is Ann [436]

Answer:

The value of Cpk is 0.83.

Explanation:

Given that,

Upper specification limits = 10 cm

lower specification limits = 8 cm

Mean = 9.5

Standard deviation = 0.2 cm

We need to calculate the process capability

Using formula of Cpk

$Cpk=min(\dfrac{USL-mean}{3\times SD}, \dfrac{mean-LSL}{3\times SD})$

Put the value into the formula

$Cpk=min(\dfrac{10-9.5}{3\times0.2}, \dfrac{9.5-8}{3\times0.2})$

$Cpk=min(0.83,2.5)$

$Cpk=0.83$

Hence, The value of Cpk is 0.83.

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2 years ago

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3 years ago

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