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natita [175]
3 years ago
5

According to the Second Law of Thermodynamics, a. any process during which the entropy of the universe increases will be product

-favored. b. heat will always be transferred from a cooler object to a warmer object. c. any process during which the entropy of the system increases will be product-favored. d. any process which is endothermic will be product-favored. e. the total amount of matter in the universe remains constant.
Physics
1 answer:
Iteru [2.4K]3 years ago
4 0

Answer:

The correct option is;

a. Any process in which the entropy of the universe increases will be product-favored

Explanation:

According to the second law of thermodynamics, the change in entropy of a closed system with time is always positive. That is the entropy of the entire universe, considered as an isolated system, always increases with time, hence the entropy change in the universe will always be positive.

\Delta S_{universe} = \Delta S_{system}  + \Delta S_{surroundings} >0

Therefore, any process in which the entropy of the universe increases will be product favored.

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During a lab, a student tapes a ruler to a lab table and sets the ruler in motion. A laser detector pointed at the ruler records
zimovet [89]

Answer:

Four; Two; One; Three

Explanation:

During a lab, a student tapes a ruler to a lab table and sets the ruler in motion. A laser detector pointed at the ruler records how many times the ruler vibrates back and forth in a period of time.

Pitch or frequency is defined as the number of cycles per unit time. We can calculate the pitch for each trials i.e.

Trial one, pitch=\dfrac{10}{0.25}=40\ s^{-1}

Trial two,  pitch=\dfrac{11}{0.30}=36.67\ s^{-1}

Trial three,  pitch=\dfrac{13}{0.31}=41.93\ s^{-1}

Trial four,  pitch=\dfrac{12}{0.33}=36.36\ s^{-1}      

Hence, the order of the trials from least to greatest pitch is :

Trial four, Trial two, Trial one and Trial three i.e. option (d) is correct.                        

6 0
3 years ago
Two rowers, who can row at the same speed in still water, head across a river. . . The first rower (Alice) heads straight across
hjlf
"Alice" is the one among the following choices given in the question that arrives at the other side first. the correct option among all the options that are given in the question is the first option or option "A". the other choices can be easily neglected. i hope that this is the answer that has come to your great help.
4 0
3 years ago
Which type of radio waves have the highest frequency and are used in radar detection? microwaves x-rays waves infrared waves gam
goldfiish [28.3K]

Answer: Microwaves

Explanation:

RADAR stands for radio detection and ranging.  Radio waves range from 300 GHz to 30 Hz. Modern radar uses higher frequency of waves for detection. These waves are microwaves (300 MHz-300 GHz). Microwaves are types of radio waves and are used in the radar detection.

The electromagnetic wave which has highest frequency is gamma wave but it is not used for radar detection.

Hence, the correct answer is microwaves are the type pf radio waves which have the highest frequency and are used in radar detection.

5 0
3 years ago
Read 2 more answers
A ball is thrown straight upward and rises to a maximum height of 18.0 m above its launch point. at what height above its launch
slava [35]

A ball is thrown straight upward and rises to a maximum height of 18.0 m

above its launch point. at what height above its launch point has the

speed of the ball decreased to one-half of its initial value?

-----------------------

kinematic equation

v^2=u^2-2as; v0=,s=18,a=-10m/s/s

u=root 360


(u/2)^2=u^2-2as

=>s=13.5m

5 0
3 years ago
The name (blank) means "all land"
mina [271]
I would say the answer is Pangaea.  I got this answer but google searching "all land" means what...  and the 3rd or 4th one down it says Answers.com
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4 0
3 years ago
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