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Viktor [21]
1 year ago
6

9. What could cause scientist to change their mind?

Physics
1 answer:
MakcuM [25]1 year ago
6 0
A if it is one answer and if it’s multiple choice A and D
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A 129-kg horizontal platform is a uniform disk of radius 1.51 m and can rotate about the vertical axis through its center. A 67.
blondinia [14]

Answer:

I = 274.75 kg-m²

Explanation:

given,

mass of horizontal platform = 129 Kg

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Moment of inertia of disc = \dfrac{1}{2}MR^2

Moment of inertia of the system

I = MOI\ of\ disk + m_p r_p^2 + m_d r_d^2

I = \dfrac{1}{2}MR^2 + m_p r_p^2 + m_d r_d^2

I = \dfrac{1}{2}\times 129 \times 1.51^2 + 67.5 \times 1.09^2 + 25.3\times 1.37^2

I = 274.75 kg-m²

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3 years ago
Explain a situation in which you can accelerate even thought your speed doesn’t change
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