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Nikitich [7]
3 years ago
6

What is a magnetic flux thru closed surface

Physics
1 answer:
dezoksy [38]3 years ago
6 0
Gauss’s Law for magnetism
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The energy transfer diagram represents the energy of a person diving into a pool.
HACTEHA [7]
The correct answer is: 
<span>A) 1000 J

In fact, energy cannot be destroyed nor created: this means that the total energy of the person must remain constant.

The initial energy of the person is U=8000 J, in form of gravitational potential energy. When he jumps and dives into the pool, this energy is converted into kinetic energy (K, 7000 J) and partially into thermal energy, Et. The final energy of the person, sum of kinetic energy and thermal energy, must be equal to the initial energy:
</span>U=K+E_t
<span>from which we can find the thermal energy:
</span>E_t = U-K=8000 J - 7000 J = 1000 J<span>
</span>
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3 years ago
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The specific heat of water is 4.19 x 103 J/kg°C. How much energy will it take to raise the temperature of 0.5 kg of water by 2 d
fredd [130]
Energy required = mass x specific heat x temperature difference
= 0.5 x 4.19x10^3 x 2
= 4190J
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3 years ago
What is the original source of energy for gasoline?
Yuki888 [10]
Gasoline comes from petroleum, which is a fossil fuel. Petroleum, coal and natural gas (methane) are all made in the earth's crust from the bodies of plants and animals that died long ago. That's why they are called fossil fuels.

The sun provides the energy that all life needs to grow and reproduce. Therefore, fossil fuels can be considered a form of solar energy that has been stored in the bodies of living things, and then concentrated in hydrocarbon deposits in the earth's crust.

The fact is that all the energy on earth comes from the sun, directly or indirectly, except for nuclear energy, which comes from radioactive elements that were made in other stars that existed before the sun.

Hope this helps!!!
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What are the pioneer species that can break down rock during primary succession ?
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C is the answer! hope it helps
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Using a cathode ray tube, Thomson confirmed that
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