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Marrrta [24]
3 years ago
6

How does the matter and energy in a system naturally change over time?

Physics
1 answer:
SVETLANKA909090 [29]3 years ago
3 0
If there is no input to the system and no leaks from it, then the matter and energy in the system naturally does not change over time 
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A container of gas is at a pressure of 1.3x10^5 Pa and a volume of 6 m^3. How much work is done by the gas if it expands at a co
Ivenika [448]
In thermodynamics, work of a system at constant pressure conditions is equal to the product of the pressure and the change in volume. It is expressed as follows:

W = P(V2 - V1)
W = 1.3x10^5 (2x6 - 6 )
<span>W = 780000 J
</span>
Hope this answers the question. Have a nice day.
5 0
3 years ago
If you lived by the sea, what effect of the moon would you see? Describe the effect.
dolphi86 [110]

Answer:

the changes in waves

Explanation:

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8 0
3 years ago
The index of refraction is the ratio of the speed of light in a vacuum to the speed of light in a medium. Which true statement i
Alika [10]

Answer:

A. Materials with a low index of refraction cause light to refract very little.

7 0
3 years ago
Read 2 more answers
A weightlifter lifts a set of weights a vertical distance of 2.00m.If a constant net force of 350 N is exerted on the weights,wh
MrMuchimi

Answer:

<em>W=700 Joule</em>

Explanation:

<u>Physics Work </u>

Is the dot product of the force vector by the displacement vector

W=\vec F \cdot \vec r

When both the force and the displacements are pointed in the same direction, the formula reduces to its scalar version

W=F.d

The weightlifter is applying a net force of 350 N to lift the weights a distance of 2 m, thus the net work done is

W=350\ N\ .\ 2\ m=700\ Joule

4 0
4 years ago
-What do you think happened to make the Moon look the way it does?
goldenfox [79]

Answer:  The physics of evolution had made the moon like it is today....Please watch this video from you tube about the evolution of the moon.

Explanation:

https://youtu.be/UIKmSQqp8wY

5 0
3 years ago
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