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shtirl [24]
3 years ago
6

The containment structures built around nuclear reactors must withstand high temperatures generated during chain reactions and p

rovide shielding against radiation.
TRUE

FALSE
Physics
1 answer:
serious [3.7K]3 years ago
3 0
This statement is true. Among all the other sources of energy, nuclear energy from radioactive elements are the ones that create a very massive energy. Radioactive elements are unstable because they have high neutron-proton ratio. That's why they undergo nuclear reactions to reduce this ratio. As a result, they give off sub-atomic particles called alpha, beta, gamma and positron molecules. Because these particles have to be pulled out of the nucleus, it release great energy in the from of heat. This heat then turns the turbine so it could activate the generator to make electricity.

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Explain what an exoskeleton is and what it is made of.
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The bodies of arthropods are supported, not by internal bones, but by a hardened exoskeleton<span> made of </span>chitin<span>, a substance produced by many non-arthropods as well. In arthropods, the nonliving exoskeleton is like a form-fitting suit of armor. It is produced by the "skin" and then hardens into a protective outer-covering.</span>
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What is the final step in the fourth stage of technological design
Ierofanga [76]

Answer:

after a product has been improved and approved? reporting the results finding ways to lower costs selling a prototype determining criteria.

Explanation:

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3 years ago
What is the average of the speed of light
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6 0
3 years ago
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Read each description below. Choose the force diagram (free-body diagram) that best represents the description. You may neglect
Papessa [141]
A. Diagram A
B. Diagram C & D
C. Diagram B
D. Diagram C & D
E. Diagram B
F. Diagram C & D
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5 0
3 years ago
Newton's Law of Gravitation states that two bodies with masses m1 and m2 attract each other with a force F, where r is the dista
Marrrta [24]

Answer:

W = - 5.01 10¹⁰ J

Explanation:

Work is defined by the expression

      W = ∫ F.dr

Where the blacks indicate vectors, in the case the force is radial and the distance is also radial, whereby the scalar producer is reduced to an ordinary product

      W = ∫ F dr

      W = G m₁m₂ ∫ 1 /r² dr

     W = G m₁ m₂2(-1 / r)

We evaluate between the lower limits r = Re and upper r = ∞

     W = G m₁m₂ (-1 / Re + 1 / ∞)

     W = - G m₁ m₂ / Re

Let's calculate

    W = - 6.67 10⁻¹¹ 800 5.98 10²⁴ / 6.37 10⁶

    W = - 5.01 10¹⁰ J

4 0
3 years ago
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