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grandymaker [24]
2 years ago
12

Why are nuclear power plants controversial

Physics
1 answer:
Sliva [168]2 years ago
6 0
Because a nuclear meltdown can be caused if systems fail. 
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They share covalent bonds
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In which direction does energy flow in an ecosystem
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QUESTION -

  In which direction does energy flow in an ecosystem ?


ANSWER -

  The flow of energy in an ecosystem is best described as energy moving in one direction from the sun to the producers then to the consumers. Explanation; Energy flow is the amount of energy that moves through successive trophic levels of a food chain in an ecosystem

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Imagine a system where a block rests on an inclined plane. The block is then given an initial push so that it starts sliding dow
katen-ka-za [31]

Answer:

the correct affirmation is the 3

Explanation:

Let's analyze the problem with Newton's second law before looking at the claims.

X axis parallel to the plane, positive down

      F -fr + Wₓ = ma

Y Axis perpendicular to the plane

      N -Wy = 0

With trigonometry

     Wₓ = W sin θ

     Wy = w cos θ

Let's multiply by the displacement along the plane, to relate to the work, which has as expression W = F d

     F d -fr d + Wx d = ma d

Push                  W₁ = Fd

frictional force  W₂ = -fr d

gravity               W₃ = Wx d

    W₁ + W₃ -W₂ = m a d

Analysis affirmations:

R1) false. The work of gravity is the subtraction    

R2) false. Each force contributes according to its magnitude

R3) true. In the equation we see that, if the acceleration is zero, W2 = W1 + W3

R4) False. It equals the difference

the correct affirmation is the 3

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World class swimmers can swim the 100 meter in about 55 seconds what is their approximate average speed
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About 1.8181 meters per second

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