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Gre4nikov [31]
2 years ago
6

Question 5

Physics
1 answer:
bezimeni [28]2 years ago
4 0

Answer:

ffcvghnvb vyhgyhvthbgvgybn ytvg dfvthgbhtfgybhvtgbyhnt vfyhn fgb fvb

Explanation:

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Help ASAP <br> Just answer the first question for me please!
Usimov [2.4K]

Answer:

Im pretty sure its b

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3 years ago
In a uranium fission reaction, uranium splits into two smaller atoms and energy. Where did the energy come from?
postnew [5]

Answer: C. Some of uranium's mass is converted into energy, so the smaller atoms have less mass.

Explanation:

From Einstein's mass-energy relation:

E = mc²

Mass and energy are equivalent. Mass can be converted into energy and energy into mass.

When Uranium atoms under go nuclear fission, smaller atoms are formed and huge amount of energy is released. This energy comes from the mass difference of the uranium nuclei and new nuclei formed. This mass converted into energy according to Einstein's equation.

7 0
3 years ago
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Một chất điểm chuyển động trong mặt phẳng Oxy với phương trình :<br> { = 2 + 10
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Answer:

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3 0
3 years ago
Friction is generated when ______ interfere with each other on sliding surfaces. ...?
cricket20 [7]
<span>According to its definition, friction is generated when atoms interfere with each other on sliding surfaces.</span>
5 0
3 years ago
A potato and raisins salad has been warmed up to a temperature of 80∘C80∘C and let it stand for three minutes. Then one tries a
barxatty [35]

Answer : The correct option is, (a) No. Potatoes will be warmer.

Explanation :

Formula used :

Q=m\times c\times \Delta T

where,

Q = heat taken

m = mass of substance

c = specific heat of substance = ?

\Delta T = change in temperature

As we are given that the potatoes have a specific heat of 3430J/(kg^oC) and raisins have a specific heat of 1630J/(kg^oC). That means higher the value of specific heat the more heat taken by the substance (more warmer will be the substance). So, the potatoes will be more warmer as compared to raisins.

Hence, the correct option is, (a) No. Potatoes will be warmer.

6 0
3 years ago
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