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Shkiper50 [21]
3 years ago
7

When many atoms are split in a chain reaction, a large explosion occurs. This is an example of what type of energy conversion? (

2 points)
nuclear to mechanical

thermal to nuclear

chemical to mechanical

nuclear to chemical
Physics
2 answers:
VMariaS [17]3 years ago
6 0
The second option is correct
wariber [46]3 years ago
3 0

The second answer isn't correct, the correct answer is c.

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What is the magnitude of the total acceleration of point A after 2 seconds? The bar starts from rest and has a constant angular
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Answer:

a_total = 2 √ (α² + w⁴) ,   a_total = 2,236 m

Explanation:

The total acceleration of a body, if we use the Pythagorean theorem is

          a_total² = a_T²2 + a_{c}²

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tangential acceleration

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we substitute in the first equation

       a_total = √ [(α r)² + (w r² )²]

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Let's find the angular velocity for t = 2 s if we start from rest wo = 0

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        w = 0 + 1.0 2

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we substitute

        a_total = r √(1² + 2²) = r √5

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In order to finish the calculation we need the radius to point A, suppose that this point is at a distance of r = 1 m

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