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lutik1710 [3]
3 years ago
13

The second law of thermodynamics help us understand what?

Physics
1 answer:
dybincka [34]3 years ago
4 0

so the 2nd law of thermodynamics helps us understand how in any spontaneous process, the entropy (disorder) of the universe increases

(these are notes on thermodynamics from my ap chem teacher)

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Hi Guys.I was just wondering if given two specific heat capacities (In my case copper and water) do you add them both together o
timama [110]

Answer:

yes

Explanation:

using law of HC(heat capacity), which is

  • heat loss=heat gain
  • energy H=MCQ

Where M is mass of substance,C is specific heat capacity, and Q is temperature change

In case of two substance

  • the H = Mc*Cc*Q+Mw*Cw*Q(provided the initial and final temperature are given)

8 0
3 years ago
What is the velocity of a car if it travels east 340 meters in 10 seconds? V = d/t
Nadya [2.5K]

Answer:

The awnser is d

Explanation:

i know cause i took the test

6 0
3 years ago
Read 2 more answers
Which measure of dispersion indicates the extent to which each individual score in a data set varies from the mean of that set?
vichka [17]

Answer:

Option 2 - Standard deviation

Explanation:

To find : Which measure of dispersion indicates the extent to which each individual score in a data set varies from the mean of that set?

Solution :

Standard deviation is defined as,

  • It is a mathematical measure that is used to evaluate the difference between the mean value of a set of number and each value in the group.
  • It is calculated as the square root of variance by determining the variation between each data point relative to the mean.

The measure of dispersion that indicates how much scores in a sample vary around the mean of the sample is the standard deviation.

Therefore, option 2 is correct.

3 0
3 years ago
A standing wave of the third overtone is induced in a stopped pipe, 3 m long. The speed of sound is 340 m/s. The number of antin
Leokris [45]

Answer:

overtone- one over the first

n skips by twos

4 antinodes

500 Hz

Explanation: Hope this helps :)

7 0
2 years ago
A thin, horizontal square copper plate has a length of 6.35cm and is charged with 2.56 × 108 electrons. If the electrons are uni
Strike441 [17]
This is either a trick question or a very hard one. In the first case: An electric field cannot occur inside a conductor (or by using the superposition principle you find out that at this point your electric fields cancel each other out)... Or you must use the laplace equation and proper boundary conditions to solve for the electrostatic potential 

<span>Edit: Considering the center of mass of the plate is on the plate</span>
5 0
3 years ago
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