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NikAS [45]
3 years ago
8

"The burning of fossil fuels and ___________ from nuclear power provide about 87% of the energy used in the world."

Physics
1 answer:
r-ruslan [8.4K]3 years ago
6 0

Explanation:

"The burning of fossil fuels , oil and natural and power from nuclear power provide about 87% of the energy used in the world.

Coal, natural gas, petroleum and nuclear power are the major energy providers to the whole world. Till date we are heavily depend on them. They provide for about 87% of the total energy used in the world.

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What happens when a muscle contracts
Alisiya [41]
Well, your muscles are made of of the two (most important)  filaments. When one of them moves over the other <span>filaments, the muscles is contracted. If there is an answer choice, I may be able to provide you with a more accurate answer, if this did not already help. ;)</span>
8 0
3 years ago
Of the two forms of friction you studied,_____ friction is the one that must be overcome in order to start something moving.​
bekas [8.4K]

Answer:

static friction will be your answer

5 0
3 years ago
A track consists spring launcher on one end. A spring which is compressed 0.5 m has a
patriot [66]

(a) The velocity of the first ball before the collision with the second ball is 11.18 m/s.

(b) The final velocity of the two balls after the collision is determined as 5.59 m/s.

<h3>Speed of the block when pushed by the spring</h3>

The speed of the block when pushed by the spring is calculated as follows;

K.E = Ux

¹/₂mv² = ¹/₂kx²

mv² = kx²

v² = kx²/m

v² = (25 x 0.5²)/0.05

v² = 125

v = 11.18 m/s

<h3>Final velocity of the two balls after the collision</h3>

The velocity of the two balls after the collision is calculated as follows;

Pi = Pf

where;

  • Pi is initial momentum
  • Pf is final momentum

m1u1 + m2u2 = v(m1 + m2)

0.05(11.18) + 0.05(0) = v(0.05 + 0.05)

0.559 = 0.1v

v = 5.59 m/s

Learn more about velocity here: brainly.com/question/4931057

#SPJ1

4 0
2 years ago
The topsoil layer has the greatest concentration of organic matter. The subsoil generally lacks organic matter, but it does rece
zmey [24]

Answer:

C. the C horizon likely has a rockier texture than the topsoil and subsoil.

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because i did it on study island

3 0
3 years ago
What type of fingerprints is invisible to the naked eye?
luda_lava [24]
Well latent fingerprints are made of oil and sweat and generally materials that you can't see very easily, so it should be that.

Hope this helps :D

3 0
3 years ago
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