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allsm [11]
3 years ago
7

The production of electricity from fission nuclear reactions in power plants is regulated by controlling

Physics
2 answers:
marin [14]3 years ago
4 0

Answer:

option (D)

Explanation:

It is controlled by the amount of neutrons available.

The rate of fission of heavy element is controlled by the number the number of neutrons. in the fission reaction of Uranium - 235, when one neutron is bombarded on one Uranium 235, three neutrons, small elements along with lot of energy is produced. Now three neutrons bombard three Uranium 235 atoms so that the lot of amount of energy is liberated. it is called uncontrolled chain reaction.

When the number of neutrons are absorbed and only one neutron is available for fission, then energy is in controlled manner and it is called controlled fission reaction. In this reaction, controlled amount of energy is released.

Anna007 [38]3 years ago
3 0
D. or "the amount of neutrons available. 
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A fox runs for 12 seconds at a speed of 9.65 m/s. How much distance does it cover? Exact answer, do NOT round.
Stella [2.4K]

Answer:

115.8

Explanation:

7 0
3 years ago
The innermost satellite of jupiter orbits the planet with a radius of 422 × 103 km and a period of 1.77 days. what is the mass o
FinnZ [79.3K]

The mass of Jupitar is obtained from the calculations as 5.8 * 10^-14 Kg.

<h3>What is the mass of Jupitar?</h3>

There are nine planets in the solar system and the sun lies at the enter of our solar system. This is the heliocentric model of the solar system.

Given that;

T^2 = GMr^3/4π

T = period

G = gravitational constant

r = radius

M = mass of Jupitar

Now;

1 day = 86400 seconds

1.77 days = 1.77 days *  86400 seconds/1 day

= 152928 seconds

Making M the subject of the formula;

M =4πT^2/Gr^3

M = 4 * 3.142 * (152928)^2/6.67 × 10^-11 * (422 × 10^9)^3

M = 2.9 * 10^11/5.0 * 10^24

M = 5.8 * 10^-14 Kg

Learn more about mass of a planet:brainly.com/question/13851553

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5 0
2 years ago
Kuiper Belt objects are composed of which substances? Select all that apply.
levacccp [35]
IM sure there is C, D, and E in kuiper belts, but not really sure of silicon and iron

8 0
3 years ago
There is the more role of the moon than the sun to occur tides in the oceans,why?
Nana76 [90]

Answer:

The ocean tides on earth are caused by both the moon's gravity and the sun's gravity. ... Even though the sun is much more massive and therefore has stronger overall gravity than the moon, the moon is closer to the earth so that its gravitational gradient is stronger than that of the sun.

8 0
2 years ago
A runner went from 6 m/s and two seconds what was his acceleration
Radda [10]

Answer:

is it 3?

Explanation:

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8 0
3 years ago
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