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3 years ago

based on the information in the graph why is energy released during the fission of a uranium (U) nucleus?

Physics

2 answers:

frutty [35]3 years ago

4 0

Answer:

Explanation:

Nuclear fission is the process of splitting apart nuclei. When nuclei fission energy is released. So much energy is released that there is a measurable decrease in mass, from the mass-energy equivalence. This means that some of the mass is converted to energy.

sasho [114]3 years ago

3 0

Answer:

Explanation:

Fission is the break of the nuclei of an unstable atom, releasing heat in the process. By the graph shown, U-238 has less average binding energy per nucleon comparing to U-235. Because it has less binding energy, it is more difficult for it to react (it has less energy to release), so it is more stable than U-235.

The product of its fission is the U-235, an isotope that has a small mass than the uranium. So the mass that is lost during fission is converted to the binding energy in the isotope, making it slightly higher (the difference of mass is only 3 amu).

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An old light bulb draws only 54.3 W, rather than its original 60.0 W, due to evaporative thinning of its filament. By what facto

Lemur [1.5K]

Answer:

The factor of the diameter is 0.95.

Explanation:

Given that,

Power of old light bulb = 54.3 W

Power = 60 W

We know that,

The resistance is inversely proportional to the diameter.

$R\propto\dfrac{1}{D}$

The power is inversely proportional to the resistance.

$P\propto\dfrac{1}{R}$

$P\propto D^2$

We need to calculate the factor of the diameter of the filament reduced

Using relation of power and diameter

$\dfrac{P_{i}}{P_{f}}=\dfrac{D_{i}^2}{D_{f}^2}$

Put the value into the formula

$\dfrac{D_{i}^2}{D_{f}^2}=\dfrac{54.3}{60}$

$\dfrac{D_{i}}{D_{f}}=0.95$

$D_{i}=0.95 D_{f}$

Hence, The factor of the diameter is 0.95.

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3 years ago

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The mass number is determined by which particles?

BartSMP [9]

I am not completely sure, but I believe that it depends on the total mass of the Protons and Neutrons

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What makes psychoanalysis different from behaviorism?

svp [43]

Psychoanalysis is a form of therapy that treats mental disorders through different ways, such as dream interpretation. It is a way of looking into the line between conscious and <span>unconsciousness </span>

Behaviorism is a theory that says that mental disorders are treated better with altering the persons behavior patterns.

I think they're different because behaviorism is just simply a theory and not actually a form of therapy.

Hopefully that helps you tell them apart!

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3 years ago

What will be the change in momentum caused by a net force of 120N acting on an object for 2 seconds?

Vinvika [58]

The change in momentum is 240 kgm/s

<u>Explanation:</u>

Given:

Force, F = 120N

Time, dt = 2 sec

Change in momentum, dP = ?

We know,

$F = \frac{dP}{dt}$

On substituting the value we get:

$120 = \frac{dP}{2}\\ \\dP = 240 kgm/s$

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3 years ago

When there is no air resistance, objects of different masses dropped from rest

ser-zykov [4K]

When there is no air resistance, objects of different masses dropped from rest:
a.
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3 years ago