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nika2105 [10]
3 years ago
8

What does the second law of throdynamics state?

Physics
2 answers:
Anna71 [15]3 years ago
5 0

Explanation:

what does the second law of throdynamics state?

A. The amount of molecular disorder in the universe will always increase

B. The amount of molecular disorder in the universe will always decrease

C. The amount of molecular disorder in the universe will stay constant

Elena L [17]3 years ago
4 0

Answer:

<h2>A.</h2>

The second law of thermodynamics states that the total entropy of a system either increases or remains constant in any spontaneous process; it never decreases. ... This is because entropy increases for heat transfer of energy from hot to cold (Figure 12.9).

Explanation:

Hope It Helps

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A woman can read the large print in a newspaper only when it is at a distance of 55 cm or more from her eyes.
serious [3.7K]

Answer:

Farsightedness (hyperopic)

2.79 D

Explanation:

When a person cannot see something which is close to their eyes this condition is known as farsightedness. She should use a convex lens to correct her eye sight.

u = Object distance =  22-2.7 = 19.3 cm

v = Image distance = -55+2.7 = -52.3 cm

f = Focal length

\frac{1}{f}=\frac{1}{u}+\frac{1}{v}\\\Rightarrow \frac{1}{f}=\frac{1}{19.3}+\frac{1}{-52.3}\\\Rightarrow \frac{1}{f}=\frac{3300}{100939}\\\Rightarrow f=\frac{100939}{3300}=30.58\ cm

The power of a lens is given by

P=\frac{1}{f}\\\Rightarrow P=\frac{1}{0.358}=2.79\ D

The power of her glasses should be 2.79 D

3 0
3 years ago
How does a football work
nikdorinn [45]

Answer:

As the football travels up, gravity slows it down until it reaches a point where it stops briefly at its highest peak; then the football comes down, and gravity accelerates it until it hits the ground hard.

Have a great day!

8 0
3 years ago
In a simple electric generator, a conducting loop of wire is placed in a magnetic field. The loop of wire is then rotated. Why i
kaheart [24]

Explanation:

If a coil of wire is placed in a magnetic field and rotated, an alternating (sinusoidal) current is induced. As it rotates, sometimes it is cutting through lots of magnetic flux, and so lots of current is

induced.

At other times, it is moving parallel to

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first few rotations, but after this, the wires would get tangled up and the generator would be useless. To avoid this, we use a commutator. In an AC generator, this is a pair of rotating conducting 'slip rings' attached to either end of the coil. Carbon brushes bring these into contact with the outside world.

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3 years ago
A pair of scissors is a complex machine. what simple machines make up a pair of scissors?
vova2212 [387]
2 blades and a securing bolt.
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3 years ago
Read 2 more answers
The launching catapult of the aircraft carrier gives the jet fighter a constant acceleration of 59 m/s2 from rest relative to th
irina [24]

Answer:

Explanation:

We shall find the final velocity of  aircraft with respect to aircraft carrier using the following relation.

v² = u² + 2as

v² = 0² + 2 x 59 x 97

v² = 11446

v = 107 m /s

velocity of aircraft carrier = 1.852 x 26 = 48.152 km/h

= 48.152 x 1000 / (60 x 60) m/s

= 13.37 m /s

This velocity of aircraft carrier will be added to the velocity of aircraft .

So absolute velocity of aircraft = 107 m /s + 13.37 m/s

= 120.37 m/s

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3 years ago
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