Physics: Ahoop, a solid cylinder, a solid sphere, and a thin, spherical shell each have the same mass of 4.01 kg and the same radius of 0.260 m. (a) what is the moment of inertia (in kg · m2) for each object as it rotates about its axis

Ahoop, a solid cylinder, a solid sphere, and a thin,

Ответ:

zapata12

11.01.2022

Physics

Given that

Radius ,r= 0.26 m

Mass ,m= 4.01 kg

Moment of inertia of hoopI= m r²

$I=4.01\times 0.26^2\ kg.m^2$

$I=0.271\ kg.m^2$

Moment of inertia of solid cylinder $I=\dfrac{1}{2}mr^2$

$I=\dfrac{1}{2}\times 4.01\times 0.26^2\ kg.m^2$

$I=0.135\ kg.m^2$

Moment of inertia of solid sphere $I=\dfrac{2}{5}mr^2$

$I=\dfrac{2}{5}\times 4.01\times 0.26^2\ kg.m^2$

$I=0.108\ kg.m^2$

Moment of inertia of thin spherical $I=\dfrac{2}{3}mr^2$

$I=\dfrac{2}{3}\times 4.01\times 0.26^2\ kg.m^2$

$I=0.18\ kg.m^2$

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Ответ:

KillerSteamcar

27.11.2020

Physics

If a coil of wire is placed in a changing magnetic field, a current will be induced in the wire. This current flows because something is producing an electric field that forces the charges around the wire. (It cannot be the magnetic force since the charges are not initially moving). Idk if this helps :)

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Ahoop, a solid cylinder, a solid sphere, and a thin, spherical shell each have the same mass of 4.01 kg and the same radius of 0.260 m. (a) what is the moment of inertia (in kg · m2) for each object as it rotates about its axis

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