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The angle through which a rotating wheel has turned in time t is given by θ...

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Physics

The angle through which a rotating wheel has turned in time t isgiven by θ = a t− b t2+ c t4, where θ is in radians and t inseconds

PART A

If a = 9.0 rad/s , b = 15.5 rad/s2 , c = 1.6 rad/s4 , evaluate ωat t = 3.2 s .

Express your answer using two significant figures

PART B

Evaluate α at t = 3.2 s .

Express your answer using two significant figures.

PART C

What is the average angular velocity between t = 2.0 s and t=3.2 s ?

Express your answer using two significant figures

PART D

What is the average angular acceleration between t = 2.0 s and t=3.2 s ?

Express your answer using two significant figures.

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