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saw5 [17]
3 years ago
13

4. What's metamorphism?

Physics
2 answers:
Amiraneli [1.4K]3 years ago
4 0
The answer is d i think
aliina [53]3 years ago
3 0

Answer: Your answer is <u>D. The process by which new minerals form from existing minerals as a result of elevated temperature or pressure</u>

Hope this helps!

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If you decrease the frequency of a vibrating object to one fourth ,its period becomes
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3 years ago
A Carnot engine has an efficiency of 0.537, and the temperature of its cold reservoir is 379 K.
katen-ka-za [31]

Answer:

(A) Th = 818.6 K

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Explanation:

efficiency (n) = 0.537

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(A) find the temperature of the hot reservoir (Th)

 n = 1 - \frac{Tc}{Th}

0.537 = 1 - \frac{379}{Th}

\frac{379}{Th} = 1 - 0.537 = 0.463        

Th = \frac{379}{0.463}

Th = 818.6 K

(B) what amount of heat is put into the engine (Qh) ?

from \frac{Tc}{Th} = \frac{Qc}{Qh}

Qh = 6580 ÷ \frac{379}{818.6}

Qh = 14211.7 J

8 0
3 years ago
Whats mechanical energy mean
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Mechanical energy<span> is the sum of kinetic and potential </span>energy<span> in an object that is used to do work. In other words, it is </span>energy<span> in an object due to its motion or position, or both.

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3 years ago
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What type of relationship exists between momentum and mass?
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Answer:

A. Direct

Explanation:

Thats just how it be

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