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Doss [256]
3 years ago
10

What is the frequency of this wave?

Physics
2 answers:
Musya8 [376]3 years ago
8 0

Answer:

its 2, not 4

Explanation:

brainlyest pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Reptile [31]3 years ago
3 0
It’s 4 because a coiled springs is closely spaced then widen
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C: Contacting the facilities.

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What is this on, is this on a test?
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4. Which of the following would NOT be a major process in the formation of sedimentary
sladkih [1.3K]

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b. melting

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it is made of sediments and that is not necessary

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2 years ago
Two double bonds means that the total number of electrons being shared in the molecule is
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9 terms. In carbon dioxide (CO2), there are two oxygen atoms for each carbon atom. Each oxygen atom forms a double bond with carbon, so the molecule is formed by two double bonds. Two double bonds means that the total number of electrons being shared in the molecule is.

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3 years ago
What is the distance from axis about which a uniform, balsa-wood sphere will have the same moment of inertia as does a thin-wall
andrey2020 [161]

Answer:

D_{s} ≈ 2.1 R

Explanation:

The moment of inertia of the bodies can be calculated by the equation

     I = ∫ r² dm

For bodies with symmetry this tabulated, the moment of inertia of the center of mass

Sphere               Is_{cm} = 2/5 M R²

Spherical shell   Ic_{cm} = 2/3 M R²

The parallel axes theorem allows us to calculate the moment of inertia with respect to different axes, without knowing the moment of inertia of the center of mass

    I = I_{cm} + M D²

Where M is the mass of the body and D is the distance from the center of mass to the axis of rotation

Let's start with the spherical shell, axis is along a diameter

     D = 2R

    Ic = Ic_{cm} + M D²

    Ic = 2/3 MR² + M (2R)²

    Ic = M R² (2/3 + 4)

    Ic = 14/3 M R²

The sphere

    Is =Is_{cm} + M [D_{s}²

    Is = Ic

    2/5 MR² + M D_{s}² = 14/3 MR²

    D_{s}² = R² (14/3 - 2/5)

    D_{s} = √ (R² (64/15)

    D_{s} = 2,066 R

3 0
3 years ago
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