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Whitepunk [10]
3 years ago
7

The ___________ energy in a mechanical system is determined by adding the potential and kinetic energy together

Chemistry
2 answers:
Anna35 [415]3 years ago
6 0
I think its 

<span>The Mechanical energy in a mechanical system is determined by adding the potential and kinetic energy together. </span>

DiKsa [7]3 years ago
5 0

Answer:A) total

Explanation:

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The answer is D.

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2 years ago
If E=mc^2,solve for both m and c. Also, if m=80 and c=0.40 what is the value of E?
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<u><em>Answer:</em></u>

m = \frac{E}{c^2}

c = \sqrt{\frac{E}{m} }

E = 12.8 J

<u><em>Explanation:</em></u>

<u>Part 1: Solving for m</u>

<u>We are given that:</u>

E = mc²

To solve for m, we will need to isolate the m on one side of the equation

This means that we will simply divide both sides by c²

m = \frac{E}{c^2}

<u>Part 2: Solving for c</u>

<u>We are given that:</u>

E = mc²

To solve for c, we will need to isolate the m on one side of the equation

This means that first we will divide both sides by m and then take square root for both sides to get the value of c

c^2 = \frac{E}{m}\\  \\ c=\sqrt{\frac{E}{m}}

<u>Part 3: Solving for E</u>

<u>We are given that:</u>

m = 80 and c = 0.4

<u>To get the value of E, we will simply substitute in the given equation: </u>

E = mc²

E = (80) × (0.4)²

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Hope this helps :)

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