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Mamont248 [21]
2 years ago
14

Which statement describes why energy is released in a nuclear fission reaction based on mass-energy equivalence?

Physics
1 answer:
lawyer [7]2 years ago
9 0

Answer:

A is the answer!

Explanation:

Edge 2021

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If the child pulls with a force of 20 N for 12.0 m , and the handle of the wagon is inclined at an angle of 25 ∘ above the horiz
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Answer: 217.52 N

Explanation: The applied force is 20 N, the distance covered is 12.0 m and the angle is 25° above the horizontal.

Hence the formulae that defines work done is given by

W = Force × distance

But since the force has been inclined at an angle θ above the horizontal, the horizontal component of force is neccesary to produce the required motion to make the child do work on the wagon.

Hence

Work done = (horizontal component of force) × distance

Work done = F cos θ × distance

Work done = 20 cos 25 × 12 = 217.52 N

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3 years ago
What is empirical evidence and what's is it not
ladessa [460]
Empirical evidence is information acquired by observation or experimentation. This data is recorded and analyzed by scientists and is a central process as part of the scientific method.
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The following equation, N2 + 3 H2 —>2 NH3 ,describes a
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Which of these is an experiment generally regarded as being first carried out by James Joule?
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The correct answer for this question is this one: "measuring the temperature increase of water from doing work stirring it." This experiment is generally regarded as being first carried out by James Joule is this one, <span>measuring the temperature increase of water from doing work stirring it.</span>
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