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Harlamova29_29 [7]
3 years ago
11

Which statement about thermal energy (or heat energy) is most accurate?

Physics
1 answer:
Aneli [31]3 years ago
7 0

It increases with the motion of particles within a substance

I just took the test

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A total of 2.0x 1013 electrons pass a given point in a wire in 15s. what is the current in the wire
timurjin [86]
The current in a wire is defined as the amount of charge that passes a given point of the wire in a given time:
I= \frac{Q}{\Delta t}
where Q is the charge and \Delta t is the time interval.

Since one electron has a charge of q=1.6 \cdot 10^{-19}C, the total charge of 2.0 \cdot 10^{13} electrons is
Q=qN=(1.6 \cdot 10^{-19} C)(2.0 \cdot 10^{13} )=3.2 \cdot 10^{-6} C

And since the time interval is \Delta t=15 s, the current in the wire is
I= \frac{Q}{\Delta t}= \frac{3.2 \cdot 10^{-6} C}{15 s}=2.1 \cdot 10^{-7}A
4 0
2 years ago
Chromium has the electron configuration 4s1 3d5 beyond Argon. What are the L and S values?
Marizza181 [45]

Answer: Chromium

Why Chromium has [Ar] 3d5 4s1 and Copper has [Ar] 3d10 4s1? Socratic.

Explanation:

6 0
3 years ago
Manufacturers sometimes use science to make foods more nutritious. Food manufacturers can make reduced fat potato chips, besides
pogonyaev
All of the choices are correct.
5 0
3 years ago
Read 2 more answers
Which statement about a pair of units is true?
grandymaker [24]

Answer:

option A is correct as 1 yard consist of 0.9144 meter which is less than one meter

Explanation:

from the above given statement option 1 is true

1 yard is equal to 0.9144 meter

while

1 mile is equal to 1.60934 km

1 foot is equal to 30.48 centimeter

1 inch is equal to 2.54 centimeter

therefore all these units [left one] are larger than their respective conversion [ right one unit]

therefore option A is correct as 1 yard consist of 0.9144 meter which is less than one meter

3 0
3 years ago
What factors contribute to global winds
serg [7]
Temperature and elevation, if it is cold in Idaho and warm on the eastern end of a mountain side in california (or if warm air is going in that direction) then the cold air, being more dense, will go towards california while the cold air in Idaho will become warm. Same goes for the rest of the world 
3 0
3 years ago
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