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Kobotan [32]
3 years ago
14

Okay so I understand none of this. Can someone please explain how to do this to me?

Physics
1 answer:
Veronika [31]3 years ago
5 0
According to newtons 3rd law, every force has an equal and opposite force, which means that the answers for a and b should be the same.
you might be knowing the equation of F which is 

F = G(m1)(m2)/(r^2) (<em> this formula may be wrong, look it up on google)</em>
G is the universal gravitation constant, just google for the exact value, the value should be something like 6.67E-11
m1 is the mass of an apple
m2 is the mass of an orange
r is the distance between them ( should be squared)

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The ice cube melting is an example of a and the water evaporating is an example of a
ankoles [38]

Answer: if a ice cube melts its a liquid but when water's being evaporated it turns into a gas like when you boil water and they also work together because let's say your outside and you see a puddle which is a liquid but the next time you go and see it you notice that the puddle is gone this means the puddle puddle has evaporated and turned into a cloud.

Explanation:

5 0
3 years ago
Please help meeeee!!!
Sati [7]

Answer:

that answer is

b. 1/4,000

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Lapatulllka [165]
Technically you can go forever on and on, but maybe your question was like how many rotations in a certain distance?
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Neutrons released in a fission reaction can strike other nuclei and cause ______.
user100 [1]

Chain reactions

Neutrons released in a fission reaction can strike other nuclei and cause chain reactions

Explanation:

In nuclear fission reactions, the heavier atoms split into into lighter atoms, releasing neutrons at high velocity in the process. The neutrons hit other heavier atoms in the vicinity and split them too releasing more neutrons. This continuation is called chain reaction. The more the released neutrons the higher the rate of chain reactions. This causes too much energy to be produced at a go until an enormous explosion occurs (like in bombs).

In controlled nuclear fission such as in nuclear reactors, the number of neutrons is controlled so as to prevent the reactor from exploding. A wall that absorbs excess neutrons is used to control the number of chain reactions to prevent the release of too much energy at once.

Learn More:

For more on chain reactions check out;

brainly.com/question/13695900

brainly.com/question/1345334

#LearnWithBrainly

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