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Vinvika [58]
2 years ago
13

Does a closed system obey the law of conservation of matter? Write one or two sentences explaining your answer

Physics
1 answer:
Sophie [7]2 years ago
5 0
Yes, a closed system obeys the law of conservation of matter. The law states that matter cannot be created not destroyed, only transferred. Meaning that in a closed system, this matter will be lost from one object but a different object will gain the same matter that was lost, therefore only transferring it. If it were an open system, the matter would be transferred outside the system and therefore you would loose matter on the system, but still, matter was not destroyed or created, it was only transferred from one thing to another.
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Linearly polarized light whose Jones vector is [0 1] (horizontally polarized) is sent through a train of two linear polarizers.
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Answer:

Following are the solution to the given question:

Explanation:

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Which of kepler’s laws explains why the sun has a slightly larger angular diameter in january than in july?
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3 years ago
Suppose you had two magnets, who were attracted to each other, and you brought them together. Then took them apart by separating
IgorLugansk [536]

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A 1.0-kg block of aluminum is at a temperature of 50°C. How much thermal energy will it lose when its temperature is reduced by
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Answer:

22425 J

Explanation:

From the question,

Applying

Q = cm(t₂-t₁).................. Equation 1

Where Q = Thermal Energy, c = specific heat capacity of aluminium, m = mass of aluminium, t₂ = Final Temperature, t₁ = Initial Temperature.

Given: c = 897 J/kg.K, m = 1.0 kg, t₁ = 50 °C, t₂ = 25 °C (The final temperature is reduced by half)

Substitute these values into equation 1

Q = 897×1×(25-50)

Q = 897×(-25)

Q = -22425 J

Hence the thermal energy lost by the aluminium is 22425 J

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3 years ago
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