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Alex_Xolod [135]
3 years ago
15

If we wanted to increase the internal energy of the system by 10 J, we could...

Physics
1 answer:
bazaltina [42]3 years ago
5 0

Answer:

A. Add 30 J by heating the system and have the system do 20 J of work.

Explanation:

The equation for internal energy is \Delta U=Q+W, where here <em>Q</em> is the heat added to the system (negative if removed from the system) and <em>W</em> is the work done on the system (negative if done by the system). From this is clear that if we add 30J of heat to the system and have it do 20J of work we will have \Delta U=Q+W=(30J)+(-20J)=10J.

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Describe the organization of our solar system. What are the different divisions, or categories?
olasank [31]
Hello.

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The different divisions are <span>planets, moons, asteroids, comets and meteoroids.
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Have a nice day

6 0
3 years ago
The aircraft wing from problem 6 experiences temperature extremes that span 210 degrees Celsius. The component for the wing will
ExtremeBDS [4]

Answer:

α = 2,857 10⁻⁵ ºC⁻¹

Explanation:

The thermal expansion of materials is described by the expression

          ΔL = α Lo ΔT

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5 0
3 years ago
When a carousel is in motion, the movement of the carousel horse can best be described as?
tatiyna
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5 0
3 years ago
For an object starting from rest and accelerating with constant acceleration, distance traveled is proportional to the square of
natali 33 [55]

The problem states that the distance travelled (d) is directly proportional to the square of time (t^2), therefore we can write this in the form of:

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The equation becomes:

d = 0.5 t^2

 

Now solving for d when t = 4:

d = 0.5 (4)^2

d = 0.5 * 16

<span>d = 8 furlongs</span>

<span>
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<span>It traveled 8 furlongs for the first 4.0 seconds.</span>

8 0
3 years ago
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Likurg_2 [28]
In an exothermic reaction, there is a transfer of energy to the surroundings in the form of heat energy. The surroundings of the reaction will experience an increase in temperature. Many types of chemical reactions are exothermic, including combustion reactions, respiration & neutralization reactions of bases & acids.
6 0
3 years ago
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