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Nataly_w [17]
3 years ago
15

Which statement is true? A Displacement can never be greater than distance. B Displacement can never be less than distance. C Di

splacement can never be equal to distance. D Displacement is always equal to distance.
Physics
1 answer:
qwelly [4]3 years ago
3 0

Answer:

__________________

I think the answer is A.

__________________

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A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. The carouse
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Answer:

m = 35.98 Kg ≈ 36 Kg

Explanation:

I₀ = 125 kg·m²

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ωi = 0.600 rad/s

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We can apply The law of conservation of angular momentum as follows:

Linitial = Lfinal

⇒    Ii*ωi = If*ωf   <em>(I)</em>

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If = I₀ + m*R₂² = 125 + m*(0.905)² = 125 + 0.819025*m

Now, we using the equation <em>(I) </em>we have

(125 + 2.25*m)*0.600 = (125 + 0.819025*m)*0.800

⇒  m = 35.98 Kg ≈ 36 Kg

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