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morpeh [17]
3 years ago
6

An object has rotational inertia I. The object,initially at rest, begins to rotate with a constant angularacceleration of magnit

ude alpha. What isthe magnitude of the angular momentum L ofthe object after time t?
Express your answer in terms ofI, alpha, andt.
L =
...............................................
Physics
1 answer:
Tresset [83]3 years ago
4 0

Answer:

L = I α t

Explanation:

given,                                          

rotational inertia = I              

initial velocity = ω₀                      

magnitude of acceleration = α      

angular momentum = L          

time = t                              

angular acceleration                                

\alpha = \dfrac{\omega-\omega_0}{t}

\alpha = \dfrac{\omega - 0}{t}

\alpha = \dfrac{\omega}{t}

ω = α t..............(1)

angular momentum                    

L = I ω                    

putting value from equation (1)

L = I α t                          

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