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Shkiper50 [21]
3 years ago
15

Which one of these statements true about the moderator and the control rods a nuclear power station?

Physics
1 answer:
siniylev [52]3 years ago
4 0

Answer: the moderator slows the neutrons down, while the control rods absorb the neutrons.

Explanation:

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Does altitude has an effect on weight? PLEASE HELP!​
Studentka2010 [4]

Answer:

Yes

Explanation:

The farther something is from the center of mass of an object such as a planet, the lower the gravitational force between them

F = GMm/d²

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A 3 kg bowling ball is thrown onto a mattress. If it takes 0.3 seconds to stop the ball using a force of 24 N, what was the init
enyata [817]

Answer:

-24 m/s

Explanation:

mass of the bowling ball =  3 kg

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Force = 24 N

initial velocity u = ???

We know that;

Force = mass × acceleration (a)

So;

24 = 3 × a

a = 24/3

a = 8 m/s²

Also;

From equation of motion; acceleration is given by the relation;

a =\frac{v-u}{t}

if v = 0

then ;

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24 = 0- u

u = -24 m/s

Thus; the  initial velocity of the bowling ball when it first touched the mattress =  -24 m/s

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3 years ago
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Answer:

velocity =displacement/time

and speed =distance/time

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Which of the following is true about Viscosity of liquids:
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Which of the following elements is in the same period as phosphorus?
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