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VARVARA [1.3K]
3 years ago
5

Please help- it’s a 15 point change to my grade.

Physics
1 answer:
Harman [31]3 years ago
6 0

Answer: Everything except heat and density

Explanation:

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Which statement best summarizes Newton's law of action-reaction? *
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Answer:

The correct answer is the third

Force equals mass times acceleration

Explanation:

Newton's second law says that force equals mass times the acceleration of the body

            F = m a

This is the most used way to solve problems

The correct answer is the third

Newton's third law states that forces always work in pairs, by action and reaction

Newton's first law states that an object per macerate with constant speed unless some force modifies this state.

4 0
3 years ago
A light plane must reach a speed of 33m/s for takeoff.how long a runway is needed if the the acceleration is 3.0m/s^2
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Remark

Always write down your givens and what you want to find. The formula you use for such questions will suggest itself if you do this.

Givens

a = 3.0 m/s^2

vi = 0  I presume that's that the question assumes.

vf = 33 m/s

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vf^2 = vi^2 + 2*a*d

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33^2 = 0^2 + 2 * 3 * d

1089 = 6*d

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